8-(2a+7)=a=40

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Solution for 8-(2a+7)=a=40 equation: 



8-(2a+7)=a=40

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1a-2a-7+8=0

We add all the numbers together, and all the variables

-3a+1=0

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

-3a=-1

a=-1/-3

a=1/3

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