-n-21=3(6n-7)

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Solution for -n-21=3(6n-7) equation:


-n-21=3(6n-7)

We simplify the equation to the form, which is simple to understand 
-n-21=3(6n-7)

Reorder the terms in parentheses
-n-21=+(+18n-21)

Remove unnecessary parentheses
-n-21=+18n-21

We move all terms containing n to the left and all other terms to the right. 
-1n-18n=-21+21

We simplify left and right side of the equation. 
-19n=0

We divide both sides of the equation by -19 to get n. 
n=-0

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