3+2cosx=15cosx

Solution for 3+2cosx=15cosx equation:

Simplifying
3 + 2cosx = 15cosx

Solving
3 + 2cosx = 15cosx

Solving for variable 'c'.

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

Add '-15cosx' to each side of the equation.
3 + 2cosx + -15cosx = 15cosx + -15cosx

Combine like terms: 2cosx + -15cosx = -13cosx
3 + -13cosx = 15cosx + -15cosx

Combine like terms: 15cosx + -15cosx = 0
3 + -13cosx = 0

Add '-3' to each side of the equation.
3 + -3 + -13cosx = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -13cosx = 0 + -3
-13cosx = 0 + -3

Combine like terms: 0 + -3 = -3
-13cosx = -3

Divide each side by '-13osx'.
c = 0.2307692308o-1s-1x-1

Simplifying
c = 0.2307692308o-1s-1x-1