9x+12=129

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Solution for 9x+12=129 equation:


9x+12=129

We simplify the equation to the form, which is simple to understand 
9x+12=129

We move all terms containing x to the left and all other terms to the right. 
+9x=+129-12

We simplify left and right side of the equation. 
+9x=+117

We divide both sides of the equation by 9 to get x. 
x=13

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