5a+7=-3(-2a-1)

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Solution for 5a+7=-3(-2a-1) equation: 



5a+7=-3(-2a-1)

We move all terms to the left:

5a+7-(-3(-2a-1))=0



We calculate terms in parentheses: -(-3(-2a-1)), so:

-3(-2a-1)

We multiply parentheses

6a+3

Back to the equation:

-(6a+3)



We get rid of parentheses

5a-6a-3+7=0

We add all the numbers together, and all the variables

-1a+4=0

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

-a=-4

a=-4/-1

a=+4

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