-8(7+a)=-16

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Solution for -8(7+a)=-16 equation: 



-8(7+a)=-16

We move all terms to the left:

-8(7+a)-(-16)=0

We add all the numbers together, and all the variables

-8(a+7)-(-16)=0

We add all the numbers together, and all the variables

-8(a+7)+16=0

We multiply parentheses

-8a-56+16=0

We add all the numbers together, and all the variables

-8a-40=0

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

-8a=40

a=40/-8

a=-5

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