3cosx+1=cosx

Solution for 3cosx+1=cosx equation:

Simplifying
3cosx + 1 = cosx

Reorder the terms:
1 + 3cosx = cosx

Solving
1 + 3cosx = cosx

Solving for variable 'c'.

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

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

Combine like terms: 3cosx + -1cosx = 2cosx
1 + 2cosx = cosx + -1cosx

Combine like terms: cosx + -1cosx = 0
1 + 2cosx = 0

Add '-1' to each side of the equation.
1 + -1 + 2cosx = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2cosx = 0 + -1
2cosx = 0 + -1

Combine like terms: 0 + -1 = -1
2cosx = -1

Divide each side by '2osx'.
c = -0.5o-1s-1x-1

Simplifying
c = -0.5o-1s-1x-1