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0.6(39-x)=100
We move all terms to the left:
0.6(39-x)-(100)=0
We add all the numbers together, and all the variables
0.6(-1x+39)-100=0
We multiply parentheses
-0.6x+23.4-100=0
We add all the numbers together, and all the variables
-0.6x-76.6=0
We move all terms containing x to the left, all other terms to the right
-0.6x=76.6
x=76.6/-0.6
x=-127+0.39999999999999/0.6
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