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Pls show steps on how u got the answer and thank u

Pls show steps on how u got the answer and thank u-example-1
User Ffff
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1 Answer

6 votes

Answer:

A=3

Explanation:

-7a+28=7

subtract 28 from both sides to eliminate it from the first side

-7a=-21

Two negatives equals a positive

7a=21

divide both sides by 7

a=3

User Antia
by
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