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Simplifying X4 + -7x2 + -1 = 0 Reorder the terms: -1 + X4 + -7x2 = 0 Solving -1 + X4 + -7x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '1' to each side of the equation. -1 + X4 + 1 + -7x2 = 0 + 1 Reorder the terms: -1 + 1 + X4 + -7x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + X4 + -7x2 = 0 + 1 X4 + -7x2 = 0 + 1 Combine like terms: 0 + 1 = 1 X4 + -7x2 = 1 Add '7x2' to each side of the equation. X4 + -7x2 + 7x2 = 1 + 7x2 Combine like terms: -7x2 + 7x2 = 0 X4 + 0 = 1 + 7x2 X4 = 1 + 7x2 Simplifying X4 = 1 + 7x2 Reorder the terms: -1 + X4 + -7x2 = 1 + 7x2 + -1 + -7x2 Reorder the terms: -1 + X4 + -7x2 = 1 + -1 + 7x2 + -7x2 Combine like terms: 1 + -1 = 0 -1 + X4 + -7x2 = 0 + 7x2 + -7x2 -1 + X4 + -7x2 = 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 -1 + X4 + -7x2 = 0 The solution to this equation could not be determined.
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