42-5=2n+3

Solution for 42-5=2n+3 equation:

Simplifying
42 + -5 = 2n + 3

Combine like terms: 42 + -5 = 37
37 = 2n + 3

Reorder the terms:
37 = 3 + 2n

Solving
37 = 3 + 2n

Solving for variable 'n'.

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

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

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

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

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

Combine like terms: 3 + -37 = -34
-2n = -34

Divide each side by '-2'.
n = 17

Simplifying
n = 17