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Simplifying 3cos2x + 2 = 3 + -2cosx Reorder the terms: 2 + 3cos2x = 3 + -2cosx Solving 2 + 3cos2x = 3 + -2cosx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2cosx' to each side of the equation. 2 + 2cosx + 3cos2x = 3 + -2cosx + 2cosx Combine like terms: -2cosx + 2cosx = 0 2 + 2cosx + 3cos2x = 3 + 0 2 + 2cosx + 3cos2x = 3 Add '-2' to each side of the equation. 2 + 2cosx + -2 + 3cos2x = 3 + -2 Reorder the terms: 2 + -2 + 2cosx + 3cos2x = 3 + -2 Combine like terms: 2 + -2 = 0 0 + 2cosx + 3cos2x = 3 + -2 2cosx + 3cos2x = 3 + -2 Combine like terms: 3 + -2 = 1 2cosx + 3cos2x = 1 Reorder the terms: -1 + 2cosx + 3cos2x = 1 + -1 Combine like terms: 1 + -1 = 0 -1 + 2cosx + 3cos2x = 0 The solution to this equation could not be determined.
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