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Simplifying X2 + -9x + 7 = -13 Reorder the terms: 7 + X2 + -9x = -13 Solving 7 + X2 + -9x = -13 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 + X2 + -7 + -9x = -13 + -7 Reorder the terms: 7 + -7 + X2 + -9x = -13 + -7 Combine like terms: 7 + -7 = 0 0 + X2 + -9x = -13 + -7 X2 + -9x = -13 + -7 Combine like terms: -13 + -7 = -20 X2 + -9x = -20 Add '9x' to each side of the equation. X2 + -9x + 9x = -20 + 9x Combine like terms: -9x + 9x = 0 X2 + 0 = -20 + 9x X2 = -20 + 9x Simplifying X2 = -20 + 9x Reorder the terms: 20 + X2 + -9x = -20 + 9x + 20 + -9x Reorder the terms: 20 + X2 + -9x = -20 + 20 + 9x + -9x Combine like terms: -20 + 20 = 0 20 + X2 + -9x = 0 + 9x + -9x 20 + X2 + -9x = 9x + -9x Combine like terms: 9x + -9x = 0 20 + X2 + -9x = 0 The solution to this equation could not be determined.
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