15=-8cos(7.5(x))+10

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Solution for 15=-8cos(7.5(x))+10 equation:


Simplifying
15 = -8cos(7.5(x)) + 10

Remove parenthesis around (7.5x)
15 = -8cos * 7.5x + 10

Reorder the terms for easier multiplication:
15 = -8 * 7.5cos * x + 10

Multiply -8 * 7.5
15 = -60cos * x + 10

Multiply cos * x
15 = -60cosx + 10

Reorder the terms:
15 = 10 + -60cosx

Solving
15 = 10 + -60cosx

Solving for variable 'c'.

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

Add '60cosx' to each side of the equation.
15 + 60cosx = 10 + -60cosx + 60cosx

Combine like terms: -60cosx + 60cosx = 0
15 + 60cosx = 10 + 0
15 + 60cosx = 10

Add '-15' to each side of the equation.
15 + -15 + 60cosx = 10 + -15

Combine like terms: 15 + -15 = 0
0 + 60cosx = 10 + -15
60cosx = 10 + -15

Combine like terms: 10 + -15 = -5
60cosx = -5

Divide each side by '60osx'.
c = -0.08333333333o-1s-1x-1

Simplifying
c = -0.08333333333o-1s-1x-1

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