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-2.2x+1.2=-9.9
We move all terms to the left:
-2.2x+1.2-(-9.9)=0
We add all the numbers together, and all the variables
-2.2x+11.1=0
We move all terms containing x to the left, all other terms to the right
-2.2x=-11.1
x=-11.1/-2.2
x=5+0.1/2.2
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