8(5+a)=-40

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Solution for 8(5+a)=-40 equation: 



8(5+a)=-40

We move all terms to the left:

8(5+a)-(-40)=0

We add all the numbers together, and all the variables

8(a+5)-(-40)=0

We add all the numbers together, and all the variables

8(a+5)+40=0

We multiply parentheses

8a+40+40=0

We add all the numbers together, and all the variables

8a+80=0

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

8a=-80

a=-80/8

a=-10

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