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Simplifying -1sen(x) + 4sen(2x) = 0 Multiply ens * x -1ensx + 4sen(2x) = 0 Remove parenthesis around (2x) -1ensx + 4ens * 2x = 0 Reorder the terms for easier multiplication: -1ensx + 4 * 2ens * x = 0 Multiply 4 * 2 -1ensx + 8ens * x = 0 Multiply ens * x -1ensx + 8ensx = 0 Combine like terms: -1ensx + 8ensx = 7ensx 7ensx = 0 Solving 7ensx = 0 Solving for variable 'e'. Move all terms containing e to the left, all other terms to the right. Divide each side by '7'. ensx = 0 Simplifying ensx = 0 The solution to this equation could not be determined.
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