3-2n=31+2n

Solution for 3-2n=31+2n equation:

Simplifying
3 + -2n = 31 + 2n

Solving
3 + -2n = 31 + 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.
3 + -2n + -2n = 31 + 2n + -2n

Combine like terms: -2n + -2n = -4n
3 + -4n = 31 + 2n + -2n

Combine like terms: 2n + -2n = 0
3 + -4n = 31 + 0
3 + -4n = 31

Add '-3' to each side of the equation.
3 + -3 + -4n = 31 + -3

Combine like terms: 3 + -3 = 0
0 + -4n = 31 + -3
-4n = 31 + -3

Combine like terms: 31 + -3 = 28
-4n = 28

Divide each side by '-4'.
n = -7

Simplifying
n = -7