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Simplifying 2 + 7cos(2x + 1) = 1 Reorder the terms: 2 + 7cos(1 + 2x) = 1 2 + (1 * 7cos + 2x * 7cos) = 1 2 + (7cos + 14cosx) = 1 Solving 2 + 7cos + 14cosx = 1 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + 7cos + -2 + 14cosx = 1 + -2 Reorder the terms: 2 + -2 + 7cos + 14cosx = 1 + -2 Combine like terms: 2 + -2 = 0 0 + 7cos + 14cosx = 1 + -2 7cos + 14cosx = 1 + -2 Combine like terms: 1 + -2 = -1 7cos + 14cosx = -1 Reorder the terms: 1 + 7cos + 14cosx = -1 + 1 Combine like terms: -1 + 1 = 0 1 + 7cos + 14cosx = 0 The solution to this equation could not be determined.
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