cos(3x)+5=13

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Solution for cos(3x)+5=13 equation:


Simplifying
cos(3x) + 5 = 13

Remove parenthesis around (3x)
cos * 3x + 5 = 13

Reorder the terms for easier multiplication:
3cos * x + 5 = 13

Multiply cos * x
3cosx + 5 = 13

Reorder the terms:
5 + 3cosx = 13

Solving
5 + 3cosx = 13

Solving for variable 'c'.

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

Add '-5' to each side of the equation.
5 + -5 + 3cosx = 13 + -5

Combine like terms: 5 + -5 = 0
0 + 3cosx = 13 + -5
3cosx = 13 + -5

Combine like terms: 13 + -5 = 8
3cosx = 8

Divide each side by '3osx'.
c = 2.666666667o-1s-1x-1

Simplifying
c = 2.666666667o-1s-1x-1

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