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349=21.71x+125
We move all terms to the left:
349-(21.71x+125)=0
We get rid of parentheses
-21.71x-125+349=0
We add all the numbers together, and all the variables
-21.71x+224=0
We move all terms containing x to the left, all other terms to the right
-21.71x=-224
x=-224/-21.71
x=10+1.7692307692308/5.5666666666667
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