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Simplifying 2x2 + -9 = x2 + -20 Reorder the terms: -9 + 2x2 = x2 + -20 Reorder the terms: -9 + 2x2 = -20 + x2 Solving -9 + 2x2 = -20 + x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x2' to each side of the equation. -9 + 2x2 + -1x2 = -20 + x2 + -1x2 Combine like terms: 2x2 + -1x2 = 1x2 -9 + 1x2 = -20 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -9 + 1x2 = -20 + 0 -9 + 1x2 = -20 Add '9' to each side of the equation. -9 + 9 + 1x2 = -20 + 9 Combine like terms: -9 + 9 = 0 0 + 1x2 = -20 + 9 1x2 = -20 + 9 Combine like terms: -20 + 9 = -11 1x2 = -11 Divide each side by '1'. x2 = -11 Simplifying x2 = -11 Reorder the terms: 11 + x2 = -11 + 11 Combine like terms: -11 + 11 = 0 11 + x2 = 0 The solution to this equation could not be determined.
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