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43+62+57+x/5=55
We move all terms to the left:
43+62+57+x/5-(55)=0
We add all the numbers together, and all the variables
x/5+107=0
We multiply all the terms by the denominator
x+107*5=0
We add all the numbers together, and all the variables
x+535=0
We move all terms containing x to the left, all other terms to the right
x=-535
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