8+13cos(x)=4

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Solution for 8+13cos(x)=4 equation: 


Simplifying
8 + 13cos(x) = 4

Multiply cos * x
8 + 13cosx = 4

Solving
8 + 13cosx = 4

Solving for variable 'c'.

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

Add '-8' to each side of the equation.
8 + -8 + 13cosx = 4 + -8

Combine like terms: 8 + -8 = 0
0 + 13cosx = 4 + -8
13cosx = 4 + -8

Combine like terms: 4 + -8 = -4
13cosx = -4

Divide each side by '13osx'.
c = -0.3076923077o-1s-1x-1

Simplifying
c = -0.3076923077o-1s-1x-1

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