4+2cos(2x)=6cos(x)

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Solution for 4+2cos(2x)=6cos(x) equation:


Simplifying
4 + 2cos(2x) = 6cos(x)

Remove parenthesis around (2x)
4 + 2cos * 2x = 6cos(x)

Reorder the terms for easier multiplication:
4 + 2 * 2cos * x = 6cos(x)

Multiply 2 * 2
4 + 4cos * x = 6cos(x)

Multiply cos * x
4 + 4cosx = 6cos(x)

Multiply cos * x
4 + 4cosx = 6cosx

Solving
4 + 4cosx = 6cosx

Solving for variable 'c'.

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

Add '-6cosx' to each side of the equation.
4 + 4cosx + -6cosx = 6cosx + -6cosx

Combine like terms: 4cosx + -6cosx = -2cosx
4 + -2cosx = 6cosx + -6cosx

Combine like terms: 6cosx + -6cosx = 0
4 + -2cosx = 0

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

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

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

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

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

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