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Simplifying x3 + -4x = -7x2 + 28 Reorder the terms: -4x + x3 = -7x2 + 28 Reorder the terms: -4x + x3 = 28 + -7x2 Solving -4x + x3 = 28 + -7x2 Solving for variable 'x'. Reorder the terms: -28 + -4x + 7x2 + x3 = 28 + -7x2 + -28 + 7x2 Reorder the terms: -28 + -4x + 7x2 + x3 = 28 + -28 + -7x2 + 7x2 Combine like terms: 28 + -28 = 0 -28 + -4x + 7x2 + x3 = 0 + -7x2 + 7x2 -28 + -4x + 7x2 + x3 = -7x2 + 7x2 Combine like terms: -7x2 + 7x2 = 0 -28 + -4x + 7x2 + x3 = 0 The solution to this equation could not be determined.
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