2n-21=3n/4

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Solution for 2n-21=3n/4 equation:


2n-21=3n/4

We simplify the equation to the form, which is simple to understand 
2n-21=3n/4

We move all terms containing n to the left and all other terms to the right. 
+2n-0.75n=+21

We simplify left and right side of the equation. 
+1.25n=+21

We divide both sides of the equation by 1.25 to get n. 
n=16.8

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