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2.2x-12.7=4.9
We move all terms to the left:
2.2x-12.7-(4.9)=0
We add all the numbers together, and all the variables
2.2x-17.6=0
We move all terms containing x to the left, all other terms to the right
2.2x=17.6
x=17.6/2.2
x=8
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