9+3(x-7)=-4x+9

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Solution for 9+3(x-7)=-4x+9 equation:


9+3(x-7)=-4x+9

We simplify the equation to the form, which is simple to understand 
9+3(x-7)=-4x+9

Reorder the terms in parentheses
9+(+3x-21)=-4x+9

Remove unnecessary parentheses
+9+3x-21=-4x+9

We move all terms containing x to the left and all other terms to the right. 
+3x+4x=+9-9+21

We simplify left and right side of the equation. 
+7x=+21

We divide both sides of the equation by 7 to get x. 
x=3

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