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Simplifying -6(2x + -2) + 7 = -12x + 19 Reorder the terms: -6(-2 + 2x) + 7 = -12x + 19 (-2 * -6 + 2x * -6) + 7 = -12x + 19 (12 + -12x) + 7 = -12x + 19 Reorder the terms: 12 + 7 + -12x = -12x + 19 Combine like terms: 12 + 7 = 19 19 + -12x = -12x + 19 Reorder the terms: 19 + -12x = 19 + -12x Add '-19' to each side of the equation. 19 + -19 + -12x = 19 + -19 + -12x Combine like terms: 19 + -19 = 0 0 + -12x = 19 + -19 + -12x -12x = 19 + -19 + -12x Combine like terms: 19 + -19 = 0 -12x = 0 + -12x -12x = -12x Add '12x' to each side of the equation. -12x + 12x = -12x + 12x Combine like terms: -12x + 12x = 0 0 = -12x + 12x Combine like terms: -12x + 12x = 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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