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-2(7-4x)=12
We move all terms to the left:
-2(7-4x)-(12)=0
We add all the numbers together, and all the variables
-2(-4x+7)-12=0
We multiply parentheses
8x-14-12=0
We add all the numbers together, and all the variables
8x-26=0
We move all terms containing x to the left, all other terms to the right
8x=26
x=26/8
x=3+1/4
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