9+6x=2x+21

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Solution for 9+6x=2x+21 equation:


9+6x=2x+21

We simplify the equation to the form, which is simple to understand 
9+6x=2x+21

We move all terms containing x to the left and all other terms to the right. 
+6x-2x=+21-9

We simplify left and right side of the equation. 
+4x=+12

We divide both sides of the equation by 4 to get x. 
x=3

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