Cos(2x)=2-5cos(x)

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Solution for Cos(2x)=2-5cos(x) equation:


Simplifying
Cos(2x) = 2 + -5cos(x)

Remove parenthesis around (2x)
osC * 2x = 2 + -5cos(x)

Reorder the terms for easier multiplication:
2osC * x = 2 + -5cos(x)

Multiply osC * x
2osxC = 2 + -5cos(x)

Multiply cos * x
2osxC = 2 + -5cosx

Solving
2osxC = 2 + -5cosx

Solving for variable 'o'.

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

Add '5cosx' to each side of the equation.
5cosx + 2osxC = 2 + -5cosx + 5cosx

Combine like terms: -5cosx + 5cosx = 0
5cosx + 2osxC = 2 + 0
5cosx + 2osxC = 2

Reorder the terms:
-2 + 5cosx + 2osxC = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + 5cosx + 2osxC = 0

The solution to this equation could not be determined.

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