-141-9n=9n+21

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Solution for -141-9n=9n+21 equation:


Simplifying
-141 + -9n = 9n + 21

Reorder the terms:
-141 + -9n = 21 + 9n

Solving
-141 + -9n = 21 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-141 + -9n + -9n = 21 + 9n + -9n

Combine like terms: -9n + -9n = -18n
-141 + -18n = 21 + 9n + -9n

Combine like terms: 9n + -9n = 0
-141 + -18n = 21 + 0
-141 + -18n = 21

Add '141' to each side of the equation.
-141 + 141 + -18n = 21 + 141

Combine like terms: -141 + 141 = 0
0 + -18n = 21 + 141
-18n = 21 + 141

Combine like terms: 21 + 141 = 162
-18n = 162

Divide each side by '-18'.
n = -9

Simplifying
n = -9

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