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(13(5)-19)=x
We move all terms to the left:
(13(5)-19)-(x)=0
We add all the numbers together, and all the variables
-x+116=0
We add all the numbers together, and all the variables
-1x+116=0
We move all terms containing x to the left, all other terms to the right
-x=-116
x=-116/-1
x=+116
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