3-5n+3n=35-72

Solution for 3-5n+3n=35-72 equation:

Simplifying
3 + -5n + 3n = 35 + -72

Combine like terms: -5n + 3n = -2n
3 + -2n = 35 + -72

Combine like terms: 35 + -72 = -37
3 + -2n = -37

Solving
3 + -2n = -37

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + -2n = -37 + -3

Combine like terms: 3 + -3 = 0
0 + -2n = -37 + -3
-2n = -37 + -3

Combine like terms: -37 + -3 = -40
-2n = -40

Divide each side by '-2'.
n = 20

Simplifying
n = 20