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Simplifying X2 + -7x + r = 0 Reorder the terms: X2 + r + -7x = 0 Solving X2 + r + -7x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1r' to each side of the equation. X2 + r + -1r + -7x = 0 + -1r Combine like terms: r + -1r = 0 X2 + 0 + -7x = 0 + -1r X2 + -7x = 0 + -1r Remove the zero: X2 + -7x = -1r Add '7x' to each side of the equation. X2 + -7x + 7x = -1r + 7x Combine like terms: -7x + 7x = 0 X2 + 0 = -1r + 7x X2 = -1r + 7x Simplifying X2 = -1r + 7x Reorder the terms: X2 + r + -7x = -1r + r + 7x + -7x Combine like terms: -1r + r = 0 X2 + r + -7x = 0 + 7x + -7x X2 + r + -7x = 7x + -7x Combine like terms: 7x + -7x = 0 X2 + r + -7x = 0 The solution to this equation could not be determined.
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