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-6(-2+x)=-90
We move all terms to the left:
-6(-2+x)-(-90)=0
We add all the numbers together, and all the variables
-6(x-2)-(-90)=0
We add all the numbers together, and all the variables
-6(x-2)+90=0
We multiply parentheses
-6x+12+90=0
We add all the numbers together, and all the variables
-6x+102=0
We move all terms containing x to the left, all other terms to the right
-6x=-102
x=-102/-6
x=+17
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