-3(n+12)+7n+20=5n-21+13-13

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Solution for -3(n+12)+7n+20=5n-21+13-13 equation:


-3 (n + 12) + 7n + 20=5n - 21 + 13 -13

We simplify the equation to the form, which is simple to understand 
-3(n+12)+7n+20=5n-21+13-13

Reorder the terms in parentheses
+(-3n-36)+7n+20=5n-21+13-13

Remove unnecessary parentheses
-3n-36+7n+20=+5n-21+13-13

We move all terms containing n to the left and all other terms to the right. 
-3n+7n-5n=-21+13-13+36-20

We simplify left and right side of the equation. 
-1n=-5

We divide both sides of the equation by -1 to get n. 
n=5

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