9(n-9)-(6-n)=

Solution for 9(n-9)-(6-n)= equation:

Simplifying
9(n + -9) + -1(6 + -1n) = 0

Reorder the terms:
9(-9 + n) + -1(6 + -1n) = 0
(-9 * 9 + n * 9) + -1(6 + -1n) = 0
(-81 + 9n) + -1(6 + -1n) = 0
-81 + 9n + (6 * -1 + -1n * -1) = 0
-81 + 9n + (-6 + 1n) = 0

Reorder the terms:
-81 + -6 + 9n + 1n = 0

Combine like terms: -81 + -6 = -87
-87 + 9n + 1n = 0

Combine like terms: 9n + 1n = 10n
-87 + 10n = 0

Solving
-87 + 10n = 0

Solving for variable 'n'.

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

Add '87' to each side of the equation.
-87 + 87 + 10n = 0 + 87

Combine like terms: -87 + 87 = 0
0 + 10n = 0 + 87
10n = 0 + 87

Combine like terms: 0 + 87 = 87
10n = 87

Divide each side by '10'.
n = 8.7

Simplifying
n = 8.7