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Simplifying -2r + -5 = r + -3(r + -1) Reorder the terms: -5 + -2r = r + -3(r + -1) Reorder the terms: -5 + -2r = r + -3(-1 + r) -5 + -2r = r + (-1 * -3 + r * -3) -5 + -2r = r + (3 + -3r) Reorder the terms: -5 + -2r = 3 + r + -3r Combine like terms: r + -3r = -2r -5 + -2r = 3 + -2r Add '2r' to each side of the equation. -5 + -2r + 2r = 3 + -2r + 2r Combine like terms: -2r + 2r = 0 -5 + 0 = 3 + -2r + 2r -5 = 3 + -2r + 2r Combine like terms: -2r + 2r = 0 -5 = 3 + 0 -5 = 3 Solving -5 = 3 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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