3+7n=9n+5

Solution for 3+7n=9n+5 equation:

Simplifying
3 + 7n = 9n + 5

Reorder the terms:
3 + 7n = 5 + 9n

Solving
3 + 7n = 5 + 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.
3 + 7n + -9n = 5 + 9n + -9n

Combine like terms: 7n + -9n = -2n
3 + -2n = 5 + 9n + -9n

Combine like terms: 9n + -9n = 0
3 + -2n = 5 + 0
3 + -2n = 5

Add '-3' to each side of the equation.
3 + -3 + -2n = 5 + -3

Combine like terms: 3 + -3 = 0
0 + -2n = 5 + -3
-2n = 5 + -3

Combine like terms: 5 + -3 = 2
-2n = 2

Divide each side by '-2'.
n = -1

Simplifying
n = -1