2x+9=5x-21

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Solution for 2x+9=5x-21 equation:


2x+9=5x-21

We simplify the equation to the form, which is simple to understand 
2x+9=5x-21

We move all terms containing x to the left and all other terms to the right. 
+2x-5x=-21-9

We simplify left and right side of the equation. 
-3x=-30

We divide both sides of the equation by -3 to get x. 
x=10

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