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-4(2-3x)=140
We move all terms to the left:
-4(2-3x)-(140)=0
We add all the numbers together, and all the variables
-4(-3x+2)-140=0
We multiply parentheses
12x-8-140=0
We add all the numbers together, and all the variables
12x-148=0
We move all terms containing x to the left, all other terms to the right
12x=148
x=148/12
x=12+1/3
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