-5x+7=9x-21

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Solution for -5x+7=9x-21 equation:


-5x+7=9x-21

We simplify the equation to the form, which is simple to understand 
-5x+7=9x-21

We move all terms containing x to the left and all other terms to the right. 
-5x-9x=-21-7

We simplify left and right side of the equation. 
-14x=-28

We divide both sides of the equation by -14 to get x. 
x=2

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