10cosx-4=20cosx

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Solution for 10cosx-4=20cosx equation:


Simplifying
10cosx + -4 = 20cosx

Reorder the terms:
-4 + 10cosx = 20cosx

Solving
-4 + 10cosx = 20cosx

Solving for variable 'c'.

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

Add '-20cosx' to each side of the equation.
-4 + 10cosx + -20cosx = 20cosx + -20cosx

Combine like terms: 10cosx + -20cosx = -10cosx
-4 + -10cosx = 20cosx + -20cosx

Combine like terms: 20cosx + -20cosx = 0
-4 + -10cosx = 0

Add '4' to each side of the equation.
-4 + 4 + -10cosx = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -10cosx = 0 + 4
-10cosx = 0 + 4

Combine like terms: 0 + 4 = 4
-10cosx = 4

Divide each side by '-10osx'.
c = -0.4o-1s-1x-1

Simplifying
c = -0.4o-1s-1x-1

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