-9x+21+11x+21=2

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Solution for -9x+21+11x+21=2 equation:


-9x+21+11x+21=2

We simplify the equation to the form, which is simple to understand 
-9x+21+11x+21=2

We move all terms containing x to the left and all other terms to the right. 
-9x+11x=+2-21-21

We simplify left and right side of the equation. 
+2x=-40

We divide both sides of the equation by 2 to get x. 
x=-20

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