7cos(3x-18)=4

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Solution for 7cos(3x-18)=4 equation: 


Simplifying
7cos(3x + -18) = 4

Reorder the terms:
7cos(-18 + 3x) = 4
(-18 * 7cos + 3x * 7cos) = 4
(-126cos + 21cosx) = 4

Solving
-126cos + 21cosx = 4

Solving for variable 'c'.

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

Reorder the terms:
-4 + -126cos + 21cosx = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + -126cos + 21cosx = 0

The solution to this equation could not be determined.

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