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Simplifying X2 + 2x + -7 = 16 Reorder the terms: -7 + X2 + 2x = 16 Solving -7 + X2 + 2x = 16 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 + 2x = 16 + 7 Reorder the terms: -7 + 7 + X2 + 2x = 16 + 7 Combine like terms: -7 + 7 = 0 0 + X2 + 2x = 16 + 7 X2 + 2x = 16 + 7 Combine like terms: 16 + 7 = 23 X2 + 2x = 23 Add '-2x' to each side of the equation. X2 + 2x + -2x = 23 + -2x Combine like terms: 2x + -2x = 0 X2 + 0 = 23 + -2x X2 = 23 + -2x Simplifying X2 = 23 + -2x Reorder the terms: -23 + X2 + 2x = 23 + -2x + -23 + 2x Reorder the terms: -23 + X2 + 2x = 23 + -23 + -2x + 2x Combine like terms: 23 + -23 = 0 -23 + X2 + 2x = 0 + -2x + 2x -23 + X2 + 2x = -2x + 2x Combine like terms: -2x + 2x = 0 -23 + X2 + 2x = 0 The solution to this equation could not be determined.
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