-7-7-7=n

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Solution for -7-7-7=n equation:


Simplifying
-7 + -7 + -7 = n

Combine like terms: -7 + -7 = -14
-14 + -7 = n

Combine like terms: -14 + -7 = -21
-21 = n

Solving
-21 = n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-21 + -1n = n + -1n

Combine like terms: n + -1n = 0
-21 + -1n = 0

Add '21' to each side of the equation.
-21 + 21 + -1n = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -1n = 0 + 21
-1n = 0 + 21

Combine like terms: 0 + 21 = 21
-1n = 21

Divide each side by '-1'.
n = -21

Simplifying
n = -21

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