2n+12=n+3

Solution for 2n+12=n+3 equation:

Simplifying
2n + 12 = n + 3

Reorder the terms:
12 + 2n = n + 3

Reorder the terms:
12 + 2n = 3 + n

Solving
12 + 2n = 3 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
12 + 2n + -1n = 3 + n + -1n

Combine like terms: 2n + -1n = 1n
12 + 1n = 3 + n + -1n

Combine like terms: n + -1n = 0
12 + 1n = 3 + 0
12 + 1n = 3

Add '-12' to each side of the equation.
12 + -12 + 1n = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 1n = 3 + -12
1n = 3 + -12

Combine like terms: 3 + -12 = -9
1n = -9

Divide each side by '1'.
n = -9

Simplifying
n = -9