3x+9x=18

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Solution for 3x+9x=18 equation:


3x+9x=18

We simplify the equation to the form, which is simple to understand 
3x+9x=18

We move all terms containing x to the left and all other terms to the right. 
+3x+9x=+18

We simplify left and right side of the equation. 
+12x=+18

We divide both sides of the equation by 12 to get x. 
x=1.5

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