x+3x-7=9x+3

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Solution for x+3x-7=9x+3 equation:


x+3x-7=9x+3

We simplify the equation to the form, which is simple to understand 
x+3x-7=9x+3

We move all terms containing x to the left and all other terms to the right. 
+1x+3x-9x=+3+7

We simplify left and right side of the equation. 
-5x=+10

We divide both sides of the equation by -5 to get x. 
x=-2

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