3n+7n=7n-15

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Solution for 3n+7n=7n-15 equation:


3n+7n=7n-15

We simplify the equation to the form, which is simple to understand 
3n+7n=7n-15

We move all terms containing n to the left and all other terms to the right. 
+3n+7n-7n=-15

We simplify left and right side of the equation. 
+3n=-15

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

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