4cos+1=2cosx

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Solution for 4cos+1=2cosx equation:


Simplifying
4cos + 1 = 2cosx

Reorder the terms:
1 + 4cos = 2cosx

Solving
1 + 4cos = 2cosx

Solving for variable 'c'.

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

Add '-2cosx' to each side of the equation.
1 + 4cos + -2cosx = 2cosx + -2cosx

Combine like terms: 2cosx + -2cosx = 0
1 + 4cos + -2cosx = 0

Add '-1' to each side of the equation.
1 + 4cos + -1 + -2cosx = 0 + -1

Reorder the terms:
1 + -1 + 4cos + -2cosx = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 4cos + -2cosx = 0 + -1
4cos + -2cosx = 0 + -1

Combine like terms: 0 + -1 = -1
4cos + -2cosx = -1

Reorder the terms:
1 + 4cos + -2cosx = -1 + 1

Combine like terms: -1 + 1 = 0
1 + 4cos + -2cosx = 0

The solution to this equation could not be determined.

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