tan(2*x)=-2

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Solution for tan(2*x)=-2 equation: 


Simplifying
tan(2x) = -2

Remove parenthesis around (2x)
ant * 2x = -2

Reorder the terms for easier multiplication:
2ant * x = -2

Multiply ant * x
2antx = -2

Solving
2antx = -2

Solving for variable 'a'.

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

Divide each side by '2ntx'.
a = -1n-1t-1x-1

Simplifying
a = -1n-1t-1x-1

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