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 = 10cosx
4 + 10cosx = -6cosx + 6cosx

Combine like terms: -6cosx + 6cosx = 0
4 + 10cosx = 0

Add '-4' to each side of the equation.
4 + -4 + 10cosx = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 10cosx = 0 + -4
10cosx = 0 + -4

Combine like terms: 0 + -4 = -4
10cosx = -4

Divide each side by '10osx'.
c = -0.4o-1s-1x-1

Simplifying
c = -0.4o-1s-1x-1

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