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40x+39(1.5x)=1071
We move all terms to the left:
40x+39(1.5x)-(1071)=0
We add all the numbers together, and all the variables
40x+39(+1.5x)-1071=0
We multiply parentheses
40x+39x-1071=0
We add all the numbers together, and all the variables
79x-1071=0
We move all terms containing x to the left, all other terms to the right
79x=1071
x=1071/79
x=13+44/79
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