2cosx-4=0

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Solution for 2cosx-4=0 equation: 


Simplifying
2cosx + -4 = 0

Reorder the terms:
-4 + 2cosx = 0

Solving
-4 + 2cosx = 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 + 2cosx = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 2cosx = 0 + 4
2cosx = 0 + 4

Combine like terms: 0 + 4 = 4
2cosx = 4

Divide each side by '2osx'.
c = 2o-1s-1x-1

Simplifying
c = 2o-1s-1x-1

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