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7x/2=-63
We move all terms to the left:
7x/2-(-63)=0
We add all the numbers together, and all the variables
7x/2+63=0
We multiply all the terms by the denominator
7x+63*2=0
We add all the numbers together, and all the variables
7x+126=0
We move all terms containing x to the left, all other terms to the right
7x=-126
x=-126/7
x=-18
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