3(-x)=x+(-x)+9

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Solution for 3(-x)=x+(-x)+9 equation:


3(-x)=x+(-x)+9

We simplify the equation to the form, which is simple to understand 
3(-x)=x+(-x)+9

Reorder the terms in parentheses
+(-3x)=x+(-x)+9

Remove unnecessary parentheses
-3x=+x+(-x+)+9

Remove unnecessary parentheses
-3x=+x-x+9

We move all terms containing x to the left and all other terms to the right. 
-3x-1x+1x=+9

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

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

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