4cos(7x)=4-4cos(7x)

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Solution for 4cos(7x)=4-4cos(7x) equation:


Simplifying
4cos(7x) = 4 + -4cos(7x)

Remove parenthesis around (7x)
4cos * 7x = 4 + -4cos(7x)

Reorder the terms for easier multiplication:
4 * 7cos * x = 4 + -4cos(7x)

Multiply 4 * 7
28cos * x = 4 + -4cos(7x)

Multiply cos * x
28cosx = 4 + -4cos(7x)

Remove parenthesis around (7x)
28cosx = 4 + -4cos * 7x

Reorder the terms for easier multiplication:
28cosx = 4 + -4 * 7cos * x

Multiply -4 * 7
28cosx = 4 + -28cos * x

Multiply cos * x
28cosx = 4 + -28cosx

Solving
28cosx = 4 + -28cosx

Solving for variable 'c'.

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

Add '28cosx' to each side of the equation.
28cosx + 28cosx = 4 + -28cosx + 28cosx

Combine like terms: 28cosx + 28cosx = 56cosx
56cosx = 4 + -28cosx + 28cosx

Combine like terms: -28cosx + 28cosx = 0
56cosx = 4 + 0
56cosx = 4

Divide each side by '56osx'.
c = 0.07142857143o-1s-1x-1

Simplifying
c = 0.07142857143o-1s-1x-1

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