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8(x-4)=30
We move all terms to the left:
8(x-4)-(30)=0
We multiply parentheses
8x-32-30=0
We add all the numbers together, and all the variables
8x-62=0
We move all terms containing x to the left, all other terms to the right
8x=62
x=62/8
x=7+3/4
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