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8x-31-4x=17
We simplify the equation to the form, which is simple to understand
8x-31-4x=17
We move all terms containing x to the left and all other terms to the right.
+8x-4x=+17+31
We simplify left and right side of the equation.
+4x=+48
We divide both sides of the equation by 4 to get x.
x=12
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