2x+6-7x=21

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Solution for 2x+6-7x=21 equation:


2x+6-7x=21

We simplify the equation to the form, which is simple to understand 
2x+6-7x=21

We move all terms containing x to the left and all other terms to the right. 
+2x-7x=+21-6

We simplify left and right side of the equation. 
-5x=+15

We divide both sides of the equation by -5 to get x. 
x=-3

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