x-2x=90

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Solution for x-2x=90 equation:


x-2x=90

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

We move all terms containing x to the left and all other terms to the right. 
+1x-2x=+90

We simplify left and right side of the equation. 
-1x=+90

We divide both sides of the equation by -1 to get x. 
x=-90

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