2+cos(2x)=3cosx

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Solution for 2+cos(2x)=3cosx equation:


Simplifying
2 + cos(2x) = 3cosx

Remove parenthesis around (2x)
2 + cos * 2x = 3cosx

Reorder the terms for easier multiplication:
2 + 2cos * x = 3cosx

Multiply cos * x
2 + 2cosx = 3cosx

Solving
2 + 2cosx = 3cosx

Solving for variable 'c'.

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

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

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

Combine like terms: 3cosx + -3cosx = 0
2 + -1cosx = 0

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

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

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

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

Simplifying
c = 2o-1s-1x-1

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