-(n+7)=-n+21

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Solution for -(n+7)=-n+21 equation:


Simplifying
-1(n + 7) = -1n + 21

Reorder the terms:
-1(7 + n) = -1n + 21
(7 * -1 + n * -1) = -1n + 21
(-7 + -1n) = -1n + 21

Reorder the terms:
-7 + -1n = 21 + -1n

Add 'n' to each side of the equation.
-7 + -1n + n = 21 + -1n + n

Combine like terms: -1n + n = 0
-7 + 0 = 21 + -1n + n
-7 = 21 + -1n + n

Combine like terms: -1n + n = 0
-7 = 21 + 0
-7 = 21

Solving
-7 = 21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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