7(2a+1)=5(a-4)

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Solution for 7(2a+1)=5(a-4) equation: 



7(2a+1)=5(a-4)

We move all terms to the left:

7(2a+1)-(5(a-4))=0

We multiply parentheses

14a-(5(a-4))+7=0



We calculate terms in parentheses: -(5(a-4)), so:

5(a-4)

We multiply parentheses

5a-20

Back to the equation:

-(5a-20)



We get rid of parentheses

14a-5a+20+7=0

We add all the numbers together, and all the variables

9a+27=0

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

9a=-27

a=-27/9

a=-3

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