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52.25=31.2+5x
We move all terms to the left:
52.25-(31.2+5x)=0
We add all the numbers together, and all the variables
-(5x+31.2)+52.25=0
We get rid of parentheses
-5x-31.2+52.25=0
We add all the numbers together, and all the variables
-5x+21.05=0
We move all terms containing x to the left, all other terms to the right
-5x=-21.05
x=-21.05/-5
x=4+1/4.7619047619048
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