3cos(2x)=-x

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Solution for 3cos(2x)=-x equation: 


Simplifying
3cos(2x) = -1x

Remove parenthesis around (2x)
3cos * 2x = -1x

Reorder the terms for easier multiplication:
3 * 2cos * x = -1x

Multiply 3 * 2
6cos * x = -1x

Multiply cos * x
6cosx = -1x

Solving
6cosx = -1x

Solving for variable 'c'.

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

Divide each side by '6osx'.
c = -0.1666666667o-1s-1

Simplifying
c = -0.1666666667o-1s-1

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