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-0.1x+0.12x=-1-2
We move all terms to the left:
-0.1x+0.12x-(-1-2)=0
We add all the numbers together, and all the variables
-0.1x+0.12x-(-3)=0
We add all the numbers together, and all the variables
0.02x+3=0
We move all terms containing x to the left, all other terms to the right
0.02x=-3
x=-3/0.02
x=-150
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