7cosx+4=-cosx

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Solution for 7cosx+4=-cosx equation:


Simplifying
7cosx + 4 = -1cosx

Reorder the terms:
4 + 7cosx = -1cosx

Solving
4 + 7cosx = -1cosx

Solving for variable 'c'.

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

Add 'cosx' to each side of the equation.
4 + 7cosx + cosx = -1cosx + cosx

Combine like terms: 7cosx + cosx = 8cosx
4 + 8cosx = -1cosx + cosx

Combine like terms: -1cosx + cosx = 0
4 + 8cosx = 0

Add '-4' to each side of the equation.
4 + -4 + 8cosx = 0 + -4

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

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

Divide each side by '8osx'.
c = -0.5o-1s-1x-1

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

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