3a+5=-(4a-7)

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Solution for 3a+5=-(4a-7) equation: 



3a+5=-(4a-7)

We move all terms to the left:

3a+5-(-(4a-7))=0



We calculate terms in parentheses: -(-(4a-7)), so:

-(4a-7)

We get rid of parentheses

-4a+7

Back to the equation:

-(-4a+7)



We get rid of parentheses

3a+4a-7+5=0

We add all the numbers together, and all the variables

7a-2=0

We move all terms containing a to the left, all other terms to the right

7a=2

a=2/7

a=2/7

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