9=12-3x

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Solution for 9=12-3x equation:


9=12-3x

We simplify the equation to the form, which is simple to understand 
9=12-3x

We move all terms containing x to the left and all other terms to the right. 
+3x=+12-9

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

We divide both sides of the equation by 03 to get x. 
x=1

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