5(3a+1)=-4(7-a)

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Solution for 5(3a+1)=-4(7-a) equation: 



5(3a+1)=-4(7-a)

We move all terms to the left:

5(3a+1)-(-4(7-a))=0

We add all the numbers together, and all the variables

5(3a+1)-(-4(-1a+7))=0

We multiply parentheses

15a-(-4(-1a+7))+5=0



We calculate terms in parentheses: -(-4(-1a+7)), so:

-4(-1a+7)

We multiply parentheses

4a-28

Back to the equation:

-(4a-28)



We get rid of parentheses

15a-4a+28+5=0

We add all the numbers together, and all the variables

11a+33=0

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

11a=-33

a=-33/11

a=-3

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