7(2a+4)=8(a-1)

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Solution for 7(2a+4)=8(a-1) equation: 



7(2a+4)=8(a-1)

We move all terms to the left:

7(2a+4)-(8(a-1))=0

We multiply parentheses

14a-(8(a-1))+28=0



We calculate terms in parentheses: -(8(a-1)), so:

8(a-1)

We multiply parentheses

8a-8

Back to the equation:

-(8a-8)



We get rid of parentheses

14a-8a+8+28=0

We add all the numbers together, and all the variables

6a+36=0

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

6a=-36

a=-36/6

a=-6

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