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Simplifying cos * 4x + 4cos * 2x = 8cos4x + -3 Reorder the terms for easier multiplication: 4cos * x + 4cos * 2x = 8cos4x + -3 Multiply cos * x 4cosx + 4cos * 2x = 8cos4x + -3 Reorder the terms for easier multiplication: 4cosx + 4 * 2cos * x = 8cos4x + -3 Multiply 4 * 2 4cosx + 8cos * x = 8cos4x + -3 Multiply cos * x 4cosx + 8cosx = 8cos4x + -3 Combine like terms: 4cosx + 8cosx = 12cosx 12cosx = 8cos4x + -3 Reorder the terms: 12cosx = -3 + 8cos4x Solving 12cosx = -3 + 8cos4x Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-8cos4x' to each side of the equation. 12cosx + -8cos4x = -3 + 8cos4x + -8cos4x Combine like terms: 8cos4x + -8cos4x = 0 12cosx + -8cos4x = -3 + 0 12cosx + -8cos4x = -3 Reorder the terms: 3 + 12cosx + -8cos4x = -3 + 3 Combine like terms: -3 + 3 = 0 3 + 12cosx + -8cos4x = 0 The solution to this equation could not be determined.
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