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Simplifying X4 + -7x3 + 5x2 + 31x = 0 Reorder the terms: X4 + 31x + 5x2 + -7x3 = 0 Solving X4 + 31x + 5x2 + -7x3 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-31x' to each side of the equation. X4 + 31x + 5x2 + -31x + -7x3 = 0 + -31x Reorder the terms: X4 + 31x + -31x + 5x2 + -7x3 = 0 + -31x Combine like terms: 31x + -31x = 0 X4 + 0 + 5x2 + -7x3 = 0 + -31x X4 + 5x2 + -7x3 = 0 + -31x Remove the zero: X4 + 5x2 + -7x3 = -31x Add '-5x2' to each side of the equation. X4 + 5x2 + -5x2 + -7x3 = -31x + -5x2 Combine like terms: 5x2 + -5x2 = 0 X4 + 0 + -7x3 = -31x + -5x2 X4 + -7x3 = -31x + -5x2 Add '7x3' to each side of the equation. X4 + -7x3 + 7x3 = -31x + -5x2 + 7x3 Combine like terms: -7x3 + 7x3 = 0 X4 + 0 = -31x + -5x2 + 7x3 X4 = -31x + -5x2 + 7x3 Simplifying X4 = -31x + -5x2 + 7x3 Reorder the terms: X4 + 31x + 5x2 + -7x3 = -31x + 31x + -5x2 + 5x2 + 7x3 + -7x3 Combine like terms: -31x + 31x = 0 X4 + 31x + 5x2 + -7x3 = 0 + -5x2 + 5x2 + 7x3 + -7x3 X4 + 31x + 5x2 + -7x3 = -5x2 + 5x2 + 7x3 + -7x3 Combine like terms: -5x2 + 5x2 = 0 X4 + 31x + 5x2 + -7x3 = 0 + 7x3 + -7x3 X4 + 31x + 5x2 + -7x3 = 7x3 + -7x3 Combine like terms: 7x3 + -7x3 = 0 X4 + 31x + 5x2 + -7x3 = 0 The solution to this equation could not be determined.
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