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Simplifying 2x2 + x + -1 = 2x2 + -3x + 1 Reorder the terms: -1 + x + 2x2 = 2x2 + -3x + 1 Reorder the terms: -1 + x + 2x2 = 1 + -3x + 2x2 Add '-2x2' to each side of the equation. -1 + x + 2x2 + -2x2 = 1 + -3x + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -1 + x + 0 = 1 + -3x + 2x2 + -2x2 -1 + x = 1 + -3x + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -1 + x = 1 + -3x + 0 -1 + x = 1 + -3x Solving -1 + x = 1 + -3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3x' to each side of the equation. -1 + x + 3x = 1 + -3x + 3x Combine like terms: x + 3x = 4x -1 + 4x = 1 + -3x + 3x Combine like terms: -3x + 3x = 0 -1 + 4x = 1 + 0 -1 + 4x = 1 Add '1' to each side of the equation. -1 + 1 + 4x = 1 + 1 Combine like terms: -1 + 1 = 0 0 + 4x = 1 + 1 4x = 1 + 1 Combine like terms: 1 + 1 = 2 4x = 2 Divide each side by '4'. x = 0.5 Simplifying x = 0.5
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