9x-21=-2x+56

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Solution for 9x-21=-2x+56 equation:


9x-21=-2x+56

We simplify the equation to the form, which is simple to understand 
9x-21=-2x+56

We move all terms containing x to the left and all other terms to the right. 
+9x+2x=+56+21

We simplify left and right side of the equation. 
+11x=+77

We divide both sides of the equation by 11 to get x. 
x=7

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