3*cos*2*x+cos*x-4=0

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Solution for 3*cos*2*x+cos*x-4=0 equation:


Simplifying
3cos * 2x + cos * x + -4 = 0

Reorder the terms for easier multiplication:
3 * 2cos * x + cos * x + -4 = 0

Multiply 3 * 2
6cos * x + cos * x + -4 = 0

Multiply cos * x
6cosx + cos * x + -4 = 0

Multiply cos * x
6cosx + cosx + -4 = 0

Reorder the terms:
-4 + 6cosx + cosx = 0

Combine like terms: 6cosx + cosx = 7cosx
-4 + 7cosx = 0

Solving
-4 + 7cosx = 0

Solving for variable 'c'.

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

Add '4' to each side of the equation.
-4 + 4 + 7cosx = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 7cosx = 0 + 4
7cosx = 0 + 4

Combine like terms: 0 + 4 = 4
7cosx = 4

Divide each side by '7osx'.
c = 0.5714285714o-1s-1x-1

Simplifying
c = 0.5714285714o-1s-1x-1

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