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Simplifying 3x + 2 + -1(2x + -1) = -2x + 1 + -1(-3x) + 2 Reorder the terms: 3x + 2 + -1(-1 + 2x) = -2x + 1 + -1(-3x) + 2 3x + 2 + (-1 * -1 + 2x * -1) = -2x + 1 + -1(-3x) + 2 3x + 2 + (1 + -2x) = -2x + 1 + -1(-3x) + 2 Reorder the terms: 2 + 1 + 3x + -2x = -2x + 1 + -1(-3x) + 2 Combine like terms: 2 + 1 = 3 3 + 3x + -2x = -2x + 1 + -1(-3x) + 2 Combine like terms: 3x + -2x = 1x 3 + 1x = -2x + 1 + -1(-3x) + 2 Remove parenthesis around (-3x) 3 + 1x = -2x + 1 + -1 * -3x + 2 Multiply -1 * -3 3 + 1x = -2x + 1 + 3x + 2 Reorder the terms: 3 + 1x = 1 + 2 + -2x + 3x Combine like terms: 1 + 2 = 3 3 + 1x = 3 + -2x + 3x Combine like terms: -2x + 3x = 1x 3 + 1x = 3 + 1x Add '-3' to each side of the equation. 3 + -3 + 1x = 3 + -3 + 1x Combine like terms: 3 + -3 = 0 0 + 1x = 3 + -3 + 1x 1x = 3 + -3 + 1x Combine like terms: 3 + -3 = 0 1x = 0 + 1x 1x = 1x Add '-1x' to each side of the equation. 1x + -1x = 1x + -1x Combine like terms: 1x + -1x = 0 0 = 1x + -1x Combine like terms: 1x + -1x = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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