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Simplifying 27x + -16 + -6x = 14 + 21x + -30 Reorder the terms: -16 + 27x + -6x = 14 + 21x + -30 Combine like terms: 27x + -6x = 21x -16 + 21x = 14 + 21x + -30 Reorder the terms: -16 + 21x = 14 + -30 + 21x Combine like terms: 14 + -30 = -16 -16 + 21x = -16 + 21x Add '16' to each side of the equation. -16 + 16 + 21x = -16 + 16 + 21x Combine like terms: -16 + 16 = 0 0 + 21x = -16 + 16 + 21x 21x = -16 + 16 + 21x Combine like terms: -16 + 16 = 0 21x = 0 + 21x 21x = 21x Add '-21x' to each side of the equation. 21x + -21x = 21x + -21x Combine like terms: 21x + -21x = 0 0 = 21x + -21x Combine like terms: 21x + -21x = 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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