9(n-4)-(3-n)=

Solution for 9(n-4)-(3-n)= equation:

Simplifying
9(n + -4) + -1(3 + -1n) = 0

Reorder the terms:
9(-4 + n) + -1(3 + -1n) = 0
(-4 * 9 + n * 9) + -1(3 + -1n) = 0
(-36 + 9n) + -1(3 + -1n) = 0
-36 + 9n + (3 * -1 + -1n * -1) = 0
-36 + 9n + (-3 + 1n) = 0

Reorder the terms:
-36 + -3 + 9n + 1n = 0

Combine like terms: -36 + -3 = -39
-39 + 9n + 1n = 0

Combine like terms: 9n + 1n = 10n
-39 + 10n = 0

Solving
-39 + 10n = 0

Solving for variable 'n'.

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

Add '39' to each side of the equation.
-39 + 39 + 10n = 0 + 39

Combine like terms: -39 + 39 = 0
0 + 10n = 0 + 39
10n = 0 + 39

Combine like terms: 0 + 39 = 39
10n = 39

Divide each side by '10'.
n = 3.9

Simplifying
n = 3.9