7a+8+5a=8(a-2)

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Solution for 7a+8+5a=8(a-2) equation: 



7a+8+5a=8(a-2)

We move all terms to the left:

7a+8+5a-(8(a-2))=0

We add all the numbers together, and all the variables

12a-(8(a-2))+8=0



We calculate terms in parentheses: -(8(a-2)), so:

8(a-2)

We multiply parentheses

8a-16

Back to the equation:

-(8a-16)



We get rid of parentheses

12a-8a+16+8=0

We add all the numbers together, and all the variables

4a+24=0

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

4a=-24

a=-24/4

a=-6

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