3tan(4x)=-5

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Solution for 3tan(4x)=-5 equation: 


Simplifying
3tan(4x) = -5

Remove parenthesis around (4x)
3ant * 4x = -5

Reorder the terms for easier multiplication:
3 * 4ant * x = -5

Multiply 3 * 4
12ant * x = -5

Multiply ant * x
12antx = -5

Solving
12antx = -5

Solving for variable 'a'.

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

Divide each side by '12ntx'.
a = -0.4166666667n-1t-1x-1

Simplifying
a = -0.4166666667n-1t-1x-1

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