-21-3x=-18-12x

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Solution for -21-3x=-18-12x equation:


-21-3x=-18-12x

We simplify the equation to the form, which is simple to understand 
-21-3x=-18-12x

We move all terms containing x to the left and all other terms to the right. 
-3x+12x=-18+21

We simplify left and right side of the equation. 
+9x=+3

We divide both sides of the equation by 9 to get x. 
x=0.333333333333

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