2(1-a)+5=13

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Solution for 2(1-a)+5=13 equation: 



2(1-a)+5=13

We move all terms to the left:

2(1-a)+5-(13)=0

We add all the numbers together, and all the variables

2(-1a+1)+5-13=0

We add all the numbers together, and all the variables

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

We multiply parentheses

-2a+2-8=0

We add all the numbers together, and all the variables

-2a-6=0

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

-2a=6

a=6/-2

a=-3

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