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Simplifying 2(r + -1) = 3r + -5 Reorder the terms: 2(-1 + r) = 3r + -5 (-1 * 2 + r * 2) = 3r + -5 (-2 + 2r) = 3r + -5 Reorder the terms: -2 + 2r = -5 + 3r Solving -2 + 2r = -5 + 3r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-3r' to each side of the equation. -2 + 2r + -3r = -5 + 3r + -3r Combine like terms: 2r + -3r = -1r -2 + -1r = -5 + 3r + -3r Combine like terms: 3r + -3r = 0 -2 + -1r = -5 + 0 -2 + -1r = -5 Add '2' to each side of the equation. -2 + 2 + -1r = -5 + 2 Combine like terms: -2 + 2 = 0 0 + -1r = -5 + 2 -1r = -5 + 2 Combine like terms: -5 + 2 = -3 -1r = -3 Divide each side by '-1'. r = 3 Simplifying r = 3
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