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0.2x-1/2=-31/2
We move all terms to the left:
0.2x-1/2-(-31/2)=0
We get rid of parentheses
0.2x-1/2+31/2=0
We multiply all the terms by the denominator
(0.2x)*2-1+31=0
We add all the numbers together, and all the variables
(+0.2x)*2-1+31=0
We add all the numbers together, and all the variables
(+0.2x)*2+30=0
We multiply parentheses
0x+30=0
We add all the numbers together, and all the variables
x+30=0
We move all terms containing x to the left, all other terms to the right
x=-30
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