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Simplifying 4cosx + -2 = cosx Reorder the terms: -2 + 4cosx = cosx Solving -2 + 4cosx = cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-1cosx' to each side of the equation. -2 + 4cosx + -1cosx = cosx + -1cosx Combine like terms: 4cosx + -1cosx = 3cosx -2 + 3cosx = cosx + -1cosx Combine like terms: cosx + -1cosx = 0 -2 + 3cosx = 0 Add '2' to each side of the equation. -2 + 2 + 3cosx = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 3cosx = 0 + 2 3cosx = 0 + 2 Combine like terms: 0 + 2 = 2 3cosx = 2 Divide each side by '3osx'. c = 0.6666666667o-1s-1x-1 Simplifying c = 0.6666666667o-1s-1x-1
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