y=3+2cos*3x

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Solution for y=3+2cos*3x equation: 


Simplifying
y = 3 + 2cos * 3x

Reorder the terms for easier multiplication:
y = 3 + 2 * 3cos * x

Multiply 2 * 3
y = 3 + 6cos * x

Multiply cos * x
y = 3 + 6cosx

Solving
y = 3 + 6cosx

Solving for variable 'y'.

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

Simplifying
y = 3 + 6cosx

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