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Simplifying 8 + -2(9r + 5) = 0 Reorder the terms: 8 + -2(5 + 9r) = 0 8 + (5 * -2 + 9r * -2) = 0 8 + (-10 + -18r) = 0 Combine like terms: 8 + -10 = -2 -2 + -18r = 0 Solving -2 + -18r = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -18r = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -18r = 0 + 2 -18r = 0 + 2 Combine like terms: 0 + 2 = 2 -18r = 2 Divide each side by '-18'. r = -0.1111111111 Simplifying r = -0.1111111111
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