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-6(x+9)=-102
We move all terms to the left:
-6(x+9)-(-102)=0
We add all the numbers together, and all the variables
-6(x+9)+102=0
We multiply parentheses
-6x-54+102=0
We add all the numbers together, and all the variables
-6x+48=0
We move all terms containing x to the left, all other terms to the right
-6x=-48
x=-48/-6
x=+8
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