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Simplifying 65 = 8(r + 2) Reorder the terms: 65 = 8(2 + r) 65 = (2 * 8 + r * 8) 65 = (16 + 8r) Solving 65 = 16 + 8r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-8r' to each side of the equation. 65 + -8r = 16 + 8r + -8r Combine like terms: 8r + -8r = 0 65 + -8r = 16 + 0 65 + -8r = 16 Add '-65' to each side of the equation. 65 + -65 + -8r = 16 + -65 Combine like terms: 65 + -65 = 0 0 + -8r = 16 + -65 -8r = 16 + -65 Combine like terms: 16 + -65 = -49 -8r = -49 Divide each side by '-8'. r = 6.125 Simplifying r = 6.125
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