x+9=3x-4

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Solution for x+9=3x-4 equation:


x+9=3x-4

We simplify the equation to the form, which is simple to understand 
x+9=3x-4

We move all terms containing x to the left and all other terms to the right. 
+1x-3x=-4-9

We simplify left and right side of the equation. 
-2x=-13

We divide both sides of the equation by -2 to get x. 
x=6.5

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