-9+2x+7x=90

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Solution for -9+2x+7x=90 equation:


-9+2x+7x=90

We simplify the equation to the form, which is simple to understand 
-9+2x+7x=90

We move all terms containing x to the left and all other terms to the right. 
+2x+7x=+90+9

We simplify left and right side of the equation. 
+9x=+99

We divide both sides of the equation by 9 to get x. 
x=11

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