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8(4+x)=42
We move all terms to the left:
8(4+x)-(42)=0
We add all the numbers together, and all the variables
8(x+4)-42=0
We multiply parentheses
8x+32-42=0
We add all the numbers together, and all the variables
8x-10=0
We move all terms containing x to the left, all other terms to the right
8x=10
x=10/8
x=1+1/4
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