90+(n+12)=3n

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Solution for 90+(n+12)=3n equation:


90+(n+12)=3n

We simplify the equation to the form, which is simple to understand 
90+(n+12)=3n

Remove unnecessary parentheses
+90+n+12=+3n

We move all terms containing n to the left and all other terms to the right. 
+1n-3n=-90-12

We simplify left and right side of the equation. 
-2n=-102

We divide both sides of the equation by -2 to get n. 
n=51

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