1+2=c

Solution for 1+2=c equation:

Simplifying
1 + 2 = c

Combine like terms: 1 + 2 = 3
3 = c

Solving
3 = c

Solving for variable 'c'.

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

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

Combine like terms: c + -1c = 0
3 + -1c = 0

Add '-3' to each side of the equation.
3 + -3 + -1c = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1c = 0 + -3
-1c = 0 + -3

Combine like terms: 0 + -3 = -3
-1c = -3

Divide each side by '-1'.
c = 3

Simplifying
c = 3