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Simplifying 2x + 1 + -1(-2 + -1x) = 2 + -1(-2x) 2x + 1 + (-2 * -1 + -1x * -1) = 2 + -1(-2x) 2x + 1 + (2 + 1x) = 2 + -1(-2x) Reorder the terms: 1 + 2 + 2x + 1x = 2 + -1(-2x) Combine like terms: 1 + 2 = 3 3 + 2x + 1x = 2 + -1(-2x) Combine like terms: 2x + 1x = 3x 3 + 3x = 2 + -1(-2x) Remove parenthesis around (-2x) 3 + 3x = 2 + -1 * -2x Multiply -1 * -2 3 + 3x = 2 + 2x Solving 3 + 3x = 2 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 3 + 3x + -2x = 2 + 2x + -2x Combine like terms: 3x + -2x = 1x 3 + 1x = 2 + 2x + -2x Combine like terms: 2x + -2x = 0 3 + 1x = 2 + 0 3 + 1x = 2 Add '-3' to each side of the equation. 3 + -3 + 1x = 2 + -3 Combine like terms: 3 + -3 = 0 0 + 1x = 2 + -3 1x = 2 + -3 Combine like terms: 2 + -3 = -1 1x = -1 Divide each side by '1'. x = -1 Simplifying x = -1
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