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(58+x)/7=10
We move all terms to the left:
(58+x)/7-(10)=0
We add all the numbers together, and all the variables
(x+58)/7-10=0
We multiply all the terms by the denominator
(x+58)-10*7=0
We add all the numbers together, and all the variables
(x+58)-70=0
We get rid of parentheses
x+58-70=0
We add all the numbers together, and all the variables
x-12=0
We move all terms containing x to the left, all other terms to the right
x=12
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