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(x)/(11)+21=7
We move all terms to the left:
(x)/(11)+21-(7)=0
We add all the numbers together, and all the variables
x/11+14=0
We multiply all the terms by the denominator
x+14*11=0
We add all the numbers together, and all the variables
x+154=0
We move all terms containing x to the left, all other terms to the right
x=-154
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