tan(-3x)=4.2

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Solution for tan(-3x)=4.2 equation: 


Simplifying
tan(-3x) = 4.2

Remove parenthesis around (-3x)
ant * -3x = 4.2

Reorder the terms for easier multiplication:
-3ant * x = 4.2

Multiply ant * x
-3antx = 4.2

Solving
-3antx = 4.2

Solving for variable 'a'.

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

Divide each side by '-3ntx'.
a = -1.4n-1t-1x-1

Simplifying
a = -1.4n-1t-1x-1

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