9+7cos(x)=0

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Solution for 9+7cos(x)=0 equation: 


Simplifying
9 + 7cos(x) = 0

Multiply cos * x
9 + 7cosx = 0

Solving
9 + 7cosx = 0

Solving for variable 'c'.

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

Add '-9' to each side of the equation.
9 + -9 + 7cosx = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 7cosx = 0 + -9
7cosx = 0 + -9

Combine like terms: 0 + -9 = -9
7cosx = -9

Divide each side by '7osx'.
c = -1.285714286o-1s-1x-1

Simplifying
c = -1.285714286o-1s-1x-1

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