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8(x+12.50)=78
We move all terms to the left:
8(x+12.50)-(78)=0
We add all the numbers together, and all the variables
8(x+12.5)-78=0
We multiply parentheses
8x+100-78=0
We add all the numbers together, and all the variables
8x+22=0
We move all terms containing x to the left, all other terms to the right
8x=-22
x=-22/8
x=-2+3/4
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