3(cosx)-2=9

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Solution for 3(cosx)-2=9 equation: 


Simplifying
3(cosx) + -2 = 9

Reorder the terms:
-2 + 3cosx = 9

Solving
-2 + 3cosx = 9

Solving for variable 'c'.

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

Add '2' to each side of the equation.
-2 + 2 + 3cosx = 9 + 2

Combine like terms: -2 + 2 = 0
0 + 3cosx = 9 + 2
3cosx = 9 + 2

Combine like terms: 9 + 2 = 11
3cosx = 11

Divide each side by '3osx'.
c = 3.666666667o-1s-1x-1

Simplifying
c = 3.666666667o-1s-1x-1

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