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Simplifying (r + 2) + -1(r + 5) = 0 Reorder the terms: (2 + r) + -1(r + 5) = 0 Remove parenthesis around (2 + r) 2 + r + -1(r + 5) = 0 Reorder the terms: 2 + r + -1(5 + r) = 0 2 + r + (5 * -1 + r * -1) = 0 2 + r + (-5 + -1r) = 0 Reorder the terms: 2 + -5 + r + -1r = 0 Combine like terms: 2 + -5 = -3 -3 + r + -1r = 0 Combine like terms: r + -1r = 0 -3 + 0 = 0 -3 = 0 Solving -3 = 0 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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