6cosx-1=2(2cosx-1)

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Solution for 6cosx-1=2(2cosx-1) equation:


Simplifying
6cosx + -1 = 2(2cosx + -1)

Reorder the terms:
-1 + 6cosx = 2(2cosx + -1)

Reorder the terms:
-1 + 6cosx = 2(-1 + 2cosx)
-1 + 6cosx = (-1 * 2 + 2cosx * 2)
-1 + 6cosx = (-2 + 4cosx)

Solving
-1 + 6cosx = -2 + 4cosx

Solving for variable 'c'.

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

Add '-4cosx' to each side of the equation.
-1 + 6cosx + -4cosx = -2 + 4cosx + -4cosx

Combine like terms: 6cosx + -4cosx = 2cosx
-1 + 2cosx = -2 + 4cosx + -4cosx

Combine like terms: 4cosx + -4cosx = 0
-1 + 2cosx = -2 + 0
-1 + 2cosx = -2

Add '1' to each side of the equation.
-1 + 1 + 2cosx = -2 + 1

Combine like terms: -1 + 1 = 0
0 + 2cosx = -2 + 1
2cosx = -2 + 1

Combine like terms: -2 + 1 = -1
2cosx = -1

Divide each side by '2osx'.
c = -0.5o-1s-1x-1

Simplifying
c = -0.5o-1s-1x-1

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