Embora a dedução apareça, confira a declaração pré-preenchida.

Here embora means although, even though, or even if depending on context.

In this sentence, it introduces a concession: one thing is true, but the instruction in the main clause still stands.

So the overall logic is:

• Although/even if the deduction appears,
• check the pre-filled declaration.

In practical English, this often sounds like:

• Even if the deduction is shown, check the pre-filled return anyway.

Because embora normally triggers the subjunctive in Portuguese.

So:

• aparece = indicative, it appears / it shows up
• apareça = present subjunctive, used after words like embora

The verb is aparecer. The present subjunctive form for ele/ela/você is apareça.

This is a very common pattern:

• Embora seja verdade... = Although it is true...
• Embora tenha dinheiro... = Although he/she has money...
• Embora apareça... = Although it appears / shows up...

The subject is a dedução.

That is why the verb is in the third-person singular:

• a dedução apareça

If the subject were plural, the verb would change too:

• Embora as deduções apareçam... = Although the deductions appear...

Literally, dedução means deduction.

But in Brazilian administrative or tax-related language, it often refers to an amount that is:

• deducted,
• withheld,
• or counted as a deduction on a form or return.

So in context, a dedução apareça probably means something like:

• the deduction shows up
• the deducted amount is listed
• the deduction is already displayed on the form

A learner should be careful not to assume it always means a logical deduction, like a conclusion from reasoning. Here it is much more likely a financial/tax deduction.

Confira comes from the verb conferir.

In this sentence, it means:

• check
• verify
• review

So confira a declaração pré-preenchida means:

• check the pre-filled declaration
• review the pre-filled return

In Brazil, conferir is very commonly used in instructions, especially when someone should make sure information is correct.

Yes. Here confira is a command, so it functions as the imperative.

More specifically, it is the command form used with você, which is very common in Brazilian Portuguese.

So the implied subject is:

• (você) confira a declaração pré-preenchida.

This is one reason it may look similar to the subjunctive: the você imperative often uses the same form as the present subjunctive.

Because both nouns are feminine singular, and here they are used with the definite article a:

• a dedução = the deduction
• a declaração = the declaration/return

So the sentence is talking about specific things, not just any deduction or any declaration.

Also, the first a is just the article, not a preposition.

Literally, it means pre-filled declaration.

In Brazilian bureaucratic or tax contexts, declaração often means a return or official filing, especially a tax return.

So depending on context, a natural English translation might be:

• pre-filled declaration
• pre-filled return
• pre-completed tax return

The adjective pré-preenchida agrees with declaração, which is feminine singular.

It is hyphenated because of the prefix pré-.

In modern Portuguese spelling, prefixes like pré-, pós-, and pró- are normally written with a hyphen when they keep their accent and independent stress.

So:

• pré-preenchida = pre-filled
• pós-graduação = postgraduate studies

This is a spelling point rather than a grammar point, but it is useful to notice.

The comma separates the introductory concessive clause from the main clause:

• Embora a dedução apareça, = subordinate clause
• confira a declaração pré-preenchida. = main clause

In English, we often do the same:

• Although the deduction appears, check the pre-filled return.

So the comma helps mark the structure clearly.

Literally yes, but in this kind of sentence it often means something more like:

• to show up
• to be shown
• to be displayed
• to be listed

So Embora a dedução apareça is probably not talking about something physically appearing out of nowhere. It more likely means:

• Even if the deduction is shown on the form...
• Even if the deduction already appears there...

That is often the most natural way to understand it.

Portuguese often leaves subjects implied when they are clear from the verb form or the context.

So:

• apareça already matches a dedução
• confira already implies você

Portuguese does this much more freely than English.

So instead of saying:

• Embora a dedução apareça, você confira a declaração...

Portuguese naturally says:

• Embora a dedução apareça, confira a declaração...

Yes, that is a reasonable literal translation.

But in more natural English, especially if this is about taxes or an online form, you might say:

• Even if the deduction appears, check the pre-filled return.
• Although the deduction is shown, review the pre-filled declaration.
• Even if the deduction is already listed, check the pre-filled return.

So the literal translation is fine, but a more natural one may depend on the situation.