2.9+c+11.3=42.81

Solution for 2.9+c+11.3=42.81 equation:

Simplifying
2.9 + c + 11.3 = 42.81

Reorder the terms:
2.9 + 11.3 + c = 42.81

Combine like terms: 2.9 + 11.3 = 14.2
14.2 + c = 42.81

Solving
14.2 + c = 42.81

Solving for variable 'c'.

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

Add '-14.2' to each side of the equation.
14.2 + -14.2 + c = 42.81 + -14.2

Combine like terms: 14.2 + -14.2 = 0.0
0.0 + c = 42.81 + -14.2
c = 42.81 + -14.2

Combine like terms: 42.81 + -14.2 = 28.61
c = 28.61

Simplifying
c = 28.61