-7n+-21=-63

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Solution for -7n+-21=-63 equation: 


Simplifying
-7n + -21 = -63

Reorder the terms:
-21 + -7n = -63

Solving
-21 + -7n = -63

Solving for variable 'n'.

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

Add '21' to each side of the equation.
-21 + 21 + -7n = -63 + 21

Combine like terms: -21 + 21 = 0
0 + -7n = -63 + 21
-7n = -63 + 21

Combine like terms: -63 + 21 = -42
-7n = -42

Divide each side by '-7'.
n = 6

Simplifying
n = 6

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