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2.8x+8.8=-22.7
We move all terms to the left:
2.8x+8.8-(-22.7)=0
We add all the numbers together, and all the variables
2.8x+31.5=0
We move all terms containing x to the left, all other terms to the right
2.8x=-31.5
x=-31.5/2.8
x=-11+0.7/2.8
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