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Simplifying -1(r + -5) + 2 = -1(8 + r) Reorder the terms: -1(-5 + r) + 2 = -1(8 + r) (-5 * -1 + r * -1) + 2 = -1(8 + r) (5 + -1r) + 2 = -1(8 + r) Reorder the terms: 5 + 2 + -1r = -1(8 + r) Combine like terms: 5 + 2 = 7 7 + -1r = -1(8 + r) 7 + -1r = (8 * -1 + r * -1) 7 + -1r = (-8 + -1r) Add 'r' to each side of the equation. 7 + -1r + r = -8 + -1r + r Combine like terms: -1r + r = 0 7 + 0 = -8 + -1r + r 7 = -8 + -1r + r Combine like terms: -1r + r = 0 7 = -8 + 0 7 = -8 Solving 7 = -8 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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