-36=81-9n

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Solution for -36=81-9n equation:


Simplifying
-36 = 81 + -9n

Solving
-36 = 81 + -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.
-36 + 9n = 81 + -9n + 9n

Combine like terms: -9n + 9n = 0
-36 + 9n = 81 + 0
-36 + 9n = 81

Add '36' to each side of the equation.
-36 + 36 + 9n = 81 + 36

Combine like terms: -36 + 36 = 0
0 + 9n = 81 + 36
9n = 81 + 36

Combine like terms: 81 + 36 = 117
9n = 117

Divide each side by '9'.
n = 13

Simplifying
n = 13

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