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Simplifying -2(r + 1) = 2 + -3r Reorder the terms: -2(1 + r) = 2 + -3r (1 * -2 + r * -2) = 2 + -3r (-2 + -2r) = 2 + -3r Solving -2 + -2r = 2 + -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 = 2 + -3r + 3r Combine like terms: -2r + 3r = 1r -2 + 1r = 2 + -3r + 3r Combine like terms: -3r + 3r = 0 -2 + 1r = 2 + 0 -2 + 1r = 2 Add '2' to each side of the equation. -2 + 2 + 1r = 2 + 2 Combine like terms: -2 + 2 = 0 0 + 1r = 2 + 2 1r = 2 + 2 Combine like terms: 2 + 2 = 4 1r = 4 Divide each side by '1'. r = 4 Simplifying r = 4
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