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1.2x+2.3=-11
We move all terms to the left:
1.2x+2.3-(-11)=0
We add all the numbers together, and all the variables
1.2x+13.3=0
We move all terms containing x to the left, all other terms to the right
1.2x=-13.3
x=-13.3/1.2
x=-11+0.1/1.2
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