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-12.2x+3=-15.3
We move all terms to the left:
-12.2x+3-(-15.3)=0
We add all the numbers together, and all the variables
-12.2x+18.3=0
We move all terms containing x to the left, all other terms to the right
-12.2x=-18.3
x=-18.3/-12.2
x=1+1/2
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