n-4+7n=12

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Solution for n-4+7n=12 equation:


n-4+7n=12

We simplify the equation to the form, which is simple to understand 
n-4+7n=12

We move all terms containing n to the left and all other terms to the right. 
+1n+7n=+12+4

We simplify left and right side of the equation. 
+8n=+16

We divide both sides of the equation by 8 to get n. 
n=2

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