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10x+20=-5.5
We move all terms to the left:
10x+20-(-5.5)=0
We add all the numbers together, and all the variables
10x+25.5=0
We move all terms containing x to the left, all other terms to the right
10x=-25.5
x=-25.5/10
x=-2+1/1.8181818181818
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