y=cos(7x+15)-9

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Solution for y=cos(7x+15)-9 equation: 


Simplifying
y = cos(7x + 15) + -9

Reorder the terms:
y = cos(15 + 7x) + -9
y = (15 * cos + 7x * cos) + -9
y = (15cos + 7cosx) + -9

Reorder the terms:
y = -9 + 15cos + 7cosx

Solving
y = -9 + 15cos + 7cosx

Solving for variable 'y'.

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

Simplifying
y = -9 + 15cos + 7cosx

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