-15+2x=-x+21

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Solution for -15+2x=-x+21 equation:


-15+2x=-x+21

We simplify the equation to the form, which is simple to understand 
-15+2x=-x+21

We move all terms containing x to the left and all other terms to the right. 
+2x+1x=+21+15

We simplify left and right side of the equation. 
+3x=+36

We divide both sides of the equation by 3 to get x. 
x=12

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