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-84+x=9x+76
We simplify the equation to the form, which is simple to understand
-84+x=9x+76
We move all terms containing x to the left and all other terms to the right.
+1x-9x=+76+84
We simplify left and right side of the equation.
-8x=+160
We divide both sides of the equation by -8 to get x.
x=-20
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