9(n+3)-7n=-3

Solution for 9(n+3)-7n=-3 equation:

Simplifying
9(n + 3) + -7n = -3

Reorder the terms:
9(3 + n) + -7n = -3
(3 * 9 + n * 9) + -7n = -3
(27 + 9n) + -7n = -3

Combine like terms: 9n + -7n = 2n
27 + 2n = -3

Solving
27 + 2n = -3

Solving for variable 'n'.

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

Add '-27' to each side of the equation.
27 + -27 + 2n = -3 + -27

Combine like terms: 27 + -27 = 0
0 + 2n = -3 + -27
2n = -3 + -27

Combine like terms: -3 + -27 = -30
2n = -30

Divide each side by '2'.
n = -15

Simplifying
n = -15