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Simplifying 8x + 2(-1 + -4x) = -2 8x + (-1 * 2 + -4x * 2) = -2 8x + (-2 + -8x) = -2 Reorder the terms: -2 + 8x + -8x = -2 Combine like terms: 8x + -8x = 0 -2 + 0 = -2 -2 = -2 Add '2' to each side of the equation. -2 + 2 = -2 + 2 Combine like terms: -2 + 2 = 0 0 = -2 + 2 Combine like terms: -2 + 2 = 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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