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Simplifying (2x + -5) = cos(9x + -3) Reorder the terms: (-5 + 2x) = cos(9x + -3) Remove parenthesis around (-5 + 2x) -5 + 2x = cos(9x + -3) Reorder the terms: -5 + 2x = cos(-3 + 9x) -5 + 2x = (-3 * cos + 9x * cos) -5 + 2x = (-3cos + 9cosx) Solving -5 + 2x = -3cos + 9cosx Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9cosx' to each side of the equation. -5 + -9cosx + 2x = -3cos + 9cosx + -9cosx Combine like terms: 9cosx + -9cosx = 0 -5 + -9cosx + 2x = -3cos + 0 -5 + -9cosx + 2x = -3cos Add '5' to each side of the equation. -5 + -9cosx + 5 + 2x = 5 + -3cos Reorder the terms: -5 + 5 + -9cosx + 2x = 5 + -3cos Combine like terms: -5 + 5 = 0 0 + -9cosx + 2x = 5 + -3cos -9cosx + 2x = 5 + -3cos Reorder the terms: -5 + 3cos + -9cosx + 2x = 5 + -3cos + -5 + 3cos Reorder the terms: -5 + 3cos + -9cosx + 2x = 5 + -5 + -3cos + 3cos Combine like terms: 5 + -5 = 0 -5 + 3cos + -9cosx + 2x = 0 + -3cos + 3cos -5 + 3cos + -9cosx + 2x = -3cos + 3cos Combine like terms: -3cos + 3cos = 0 -5 + 3cos + -9cosx + 2x = 0 The solution to this equation could not be determined.
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