2cosx+1=cosx

Solution for 2cosx+1=cosx equation:

Simplifying
2cosx + 1 = cosx

Reorder the terms:
1 + 2cosx = cosx

Solving
1 + 2cosx = 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 + 2cosx + -1cosx = cosx + -1cosx

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

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

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

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

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

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

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