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8x+13=13+x
We simplify the equation to the form, which is simple to understand
8x+13=13+x
We move all terms containing x to the left and all other terms to the right.
+8x-1x=+13-13
We simplify left and right side of the equation.
+7x=0
We divide both sides of the equation by 7 to get x.
x=0
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