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3.8x-49=2.2x+7
We move all terms to the left:
3.8x-49-(2.2x+7)=0
We get rid of parentheses
3.8x-2.2x-7-49=0
We add all the numbers together, and all the variables
1.6x-56=0
We move all terms containing x to the left, all other terms to the right
1.6x=56
x=56/1.6
x=35
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