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0.1x+5.3=-0.4x-12.65
We move all terms to the left:
0.1x+5.3-(-0.4x-12.65)=0
We get rid of parentheses
0.1x+0.4x+12.65+5.3=0
We add all the numbers together, and all the variables
0.5x+17.95=0
We move all terms containing x to the left, all other terms to the right
0.5x=-17.95
x=-17.95/0.5
x=-35+0.45/0.5
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