-81=-9(-8+n)

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Solution for -81=-9(-8+n) equation:


Simplifying
-81 = -9(-8 + n)
-81 = (-8 * -9 + n * -9)
-81 = (72 + -9n)

Solving
-81 = 72 + -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.
-81 + 9n = 72 + -9n + 9n

Combine like terms: -9n + 9n = 0
-81 + 9n = 72 + 0
-81 + 9n = 72

Add '81' to each side of the equation.
-81 + 81 + 9n = 72 + 81

Combine like terms: -81 + 81 = 0
0 + 9n = 72 + 81
9n = 72 + 81

Combine like terms: 72 + 81 = 153
9n = 153

Divide each side by '9'.
n = 17

Simplifying
n = 17

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