2n+12=3n-9

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Solution for 2n+12=3n-9 equation:


2n+12=3n-9

We simplify the equation to the form, which is simple to understand 
2n+12=3n-9

We move all terms containing n to the left and all other terms to the right. 
+2n-3n=-9-12

We simplify left and right side of the equation. 
-1n=-21

We divide both sides of the equation by -1 to get n. 
n=21

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