4x-9=x+12

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Solution for 4x-9=x+12 equation:


4x-9=x+12

We simplify the equation to the form, which is simple to understand 
4x-9=x+12

We move all terms containing x to the left and all other terms to the right. 
+4x-1x=+12+9

We simplify left and right side of the equation. 
+3x=+21

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

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