13+2(a+5)-(7+a)=0

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Solution for 13+2(a+5)-(7+a)=0 equation: 



13+2(a+5)-(7+a)=0

We add all the numbers together, and all the variables

2(a+5)-(a+7)+13=0

We multiply parentheses

2a-(a+7)+10+13=0

We get rid of parentheses

2a-a-7+10+13=0

We add all the numbers together, and all the variables

a+16=0

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

a=-16

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