-21=6+5n+3

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Solution for -21=6+5n+3 equation:


Simplifying
-21 = 6 + 5n + 3

Reorder the terms:
-21 = 6 + 3 + 5n

Combine like terms: 6 + 3 = 9
-21 = 9 + 5n

Solving
-21 = 9 + 5n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-5n' to each side of the equation.
-21 + -5n = 9 + 5n + -5n

Combine like terms: 5n + -5n = 0
-21 + -5n = 9 + 0
-21 + -5n = 9

Add '21' to each side of the equation.
-21 + 21 + -5n = 9 + 21

Combine like terms: -21 + 21 = 0
0 + -5n = 9 + 21
-5n = 9 + 21

Combine like terms: 9 + 21 = 30
-5n = 30

Divide each side by '-5'.
n = -6

Simplifying
n = -6

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