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257/8=x-13
We move all terms to the left:
257/8-(x-13)=0
We get rid of parentheses
-x+13+257/8=0
We multiply all the terms by the denominator
-x*8+257+13*8=0
We add all the numbers together, and all the variables
-x*8+361=0
Wy multiply elements
-8x+361=0
We move all terms containing x to the left, all other terms to the right
-8x=-361
x=-361/-8
x=45+1/8
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