3n+4=21

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Solution for 3n+4=21 equation:


3n+4=21

We simplify the equation to the form, which is simple to understand 
3n+4=21

We move all terms containing n to the left and all other terms to the right. 
+3n=+21-4

We simplify left and right side of the equation. 
+3n=+17

We divide both sides of the equation by 3 to get n. 
n=5.66666666667

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