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4x+4(7x-13)=204
We move all terms to the left:
4x+4(7x-13)-(204)=0
We multiply parentheses
4x+28x-52-204=0
We add all the numbers together, and all the variables
32x-256=0
We move all terms containing x to the left, all other terms to the right
32x=256
x=256/32
x=8
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