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Simplifying 2x + -1(2x + 12) = -12 Reorder the terms: 2x + -1(12 + 2x) = -12 2x + (12 * -1 + 2x * -1) = -12 2x + (-12 + -2x) = -12 Reorder the terms: -12 + 2x + -2x = -12 Combine like terms: 2x + -2x = 0 -12 + 0 = -12 -12 = -12 Add '12' to each side of the equation. -12 + 12 = -12 + 12 Combine like terms: -12 + 12 = 0 0 = -12 + 12 Combine like terms: -12 + 12 = 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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