-21=3n+(-2)

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Solution for -21=3n+(-2) equation:


-21=3n+(-2)

We simplify the equation to the form, which is simple to understand 
-21=3n+(-2)

Remove unnecessary parentheses
-21=+3n-2

We move all terms containing n to the left and all other terms to the right. 
-3n=-2+21

We simplify left and right side of the equation. 
-3n=+19

We divide both sides of the equation by -03 to get n. 
n=-6.33333333333

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