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75x-3(5x+4)=762
We move all terms to the left:
75x-3(5x+4)-(762)=0
We multiply parentheses
75x-15x-12-762=0
We add all the numbers together, and all the variables
60x-774=0
We move all terms containing x to the left, all other terms to the right
60x=774
x=774/60
x=12+9/10
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