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x=-15/13
We move all terms to the left:
x-(-15/13)=0
We get rid of parentheses
x+15/13=0
We multiply all the terms by the denominator
x*13+15=0
Wy multiply elements
13x+15=0
We move all terms containing x to the left, all other terms to the right
13x=-15
x=-15/13
x=-1+2/13
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