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Simplifying 4r + -3 + -2r + 1 + -2r = -2 Reorder the terms: -3 + 1 + 4r + -2r + -2r = -2 Combine like terms: -3 + 1 = -2 -2 + 4r + -2r + -2r = -2 Combine like terms: 4r + -2r = 2r -2 + 2r + -2r = -2 Combine like terms: 2r + -2r = 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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