4(a+9)=(a-7)

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Solution for 4(a+9)=(a-7) equation: 



4(a+9)=(a-7)

We move all terms to the left:

4(a+9)-((a-7))=0

We multiply parentheses

4a-((a-7))+36=0



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

(a-7)

We get rid of parentheses

a-7

Back to the equation:

-(a-7)



We get rid of parentheses

4a-a+7+36=0

We add all the numbers together, and all the variables

3a+43=0

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

3a=-43

a=-43/3

a=-14+1/3

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