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Simplifying X3 + -1x2 + -2x + 7 = 0 Reorder the terms: 7 + X3 + -2x + -1x2 = 0 Solving 7 + X3 + -2x + -1x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + X3 + -2x + -7 + -1x2 = 0 + -7 Reorder the terms: 7 + -7 + X3 + -2x + -1x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + X3 + -2x + -1x2 = 0 + -7 X3 + -2x + -1x2 = 0 + -7 Combine like terms: 0 + -7 = -7 X3 + -2x + -1x2 = -7 Add '2x' to each side of the equation. X3 + -2x + 2x + -1x2 = -7 + 2x Combine like terms: -2x + 2x = 0 X3 + 0 + -1x2 = -7 + 2x X3 + -1x2 = -7 + 2x Add 'x2' to each side of the equation. X3 + -1x2 + x2 = -7 + 2x + x2 Combine like terms: -1x2 + x2 = 0 X3 + 0 = -7 + 2x + x2 X3 = -7 + 2x + x2 Simplifying X3 = -7 + 2x + x2 Reorder the terms: 7 + X3 + -2x + -1x2 = -7 + 2x + x2 + 7 + -2x + -1x2 Reorder the terms: 7 + X3 + -2x + -1x2 = -7 + 7 + 2x + -2x + x2 + -1x2 Combine like terms: -7 + 7 = 0 7 + X3 + -2x + -1x2 = 0 + 2x + -2x + x2 + -1x2 7 + X3 + -2x + -1x2 = 2x + -2x + x2 + -1x2 Combine like terms: 2x + -2x = 0 7 + X3 + -2x + -1x2 = 0 + x2 + -1x2 7 + X3 + -2x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 7 + X3 + -2x + -1x2 = 0 The solution to this equation could not be determined.
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