13-2(a-1)=6

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Solution for 13-2(a-1)=6 equation: 



13-2(a-1)=6

We move all terms to the left:

13-2(a-1)-(6)=0

We add all the numbers together, and all the variables

-2(a-1)+7=0

We multiply parentheses

-2a+2+7=0

We add all the numbers together, and all the variables

-2a+9=0

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

-2a=-9

a=-9/-2

a=4+1/2

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