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-0.10(20)+0.15x=0.05(x-20)
We move all terms to the left:
-0.10(20)+0.15x-(0.05(x-20))=0
We add all the numbers together, and all the variables
0.15x-(0.05(x-20))-0.102=0
We calculate terms in parentheses: -(0.05(x-20)), so:We get rid of parentheses
0.05(x-20)
We multiply parentheses
0.05x-1
Back to the equation:
-(0.05x-1)
0.15x-0.05x+1-0.102=0
We add all the numbers together, and all the variables
0.1x+0.898=0
We move all terms containing x to the left, all other terms to the right
0.1x=-0.898
x=-0.898/0.1
x=-8+0.098/0.1
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