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Simplifying -1sin(4x) + sin(7x) + sin(x) = 0 Remove parenthesis around (4x) -1ins * 4x + sin(7x) + sin(x) = 0 Reorder the terms for easier multiplication: -1 * 4ins * x + sin(7x) + sin(x) = 0 Multiply -1 * 4 -4ins * x + sin(7x) + sin(x) = 0 Multiply ins * x -4insx + sin(7x) + sin(x) = 0 Remove parenthesis around (7x) -4insx + ins * 7x + sin(x) = 0 Reorder the terms for easier multiplication: -4insx + 7ins * x + sin(x) = 0 Multiply ins * x -4insx + 7insx + sin(x) = 0 Multiply ins * x -4insx + 7insx + insx = 0 Combine like terms: -4insx + 7insx = 3insx 3insx + insx = 0 Combine like terms: 3insx + insx = 4insx 4insx = 0 Solving 4insx = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Divide each side by '4'. insx = 0 Simplifying insx = 0 The solution to this equation could not be determined.
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