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13(x+7)-8=256
We simplify the equation to the form, which is simple to understand
13(x+7)-8=256
Reorder the terms in parentheses
+(+13x+91)-8=256
Remove unnecessary parentheses
+13x+91-8=+256
We move all terms containing x to the left and all other terms to the right.
+13x=+256-91+8
We simplify left and right side of the equation.
+13x=+173
We divide both sides of the equation by 13 to get x.
x=13.3076923077
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