9(n-7)=81

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Solution for 9(n-7)=81 equation: 


Simplifying
9(n + -7) = 81

Reorder the terms:
9(-7 + n) = 81
(-7 * 9 + n * 9) = 81
(-63 + 9n) = 81

Solving
-63 + 9n = 81

Solving for variable 'n'.

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

Add '63' to each side of the equation.
-63 + 63 + 9n = 81 + 63

Combine like terms: -63 + 63 = 0
0 + 9n = 81 + 63
9n = 81 + 63

Combine like terms: 81 + 63 = 144
9n = 144

Divide each side by '9'.
n = 16

Simplifying
n = 16

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