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Simplifying -2r + 7 = 8r + -17 Reorder the terms: 7 + -2r = 8r + -17 Reorder the terms: 7 + -2r = -17 + 8r Solving 7 + -2r = -17 + 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. 7 + -2r + -8r = -17 + 8r + -8r Combine like terms: -2r + -8r = -10r 7 + -10r = -17 + 8r + -8r Combine like terms: 8r + -8r = 0 7 + -10r = -17 + 0 7 + -10r = -17 Add '-7' to each side of the equation. 7 + -7 + -10r = -17 + -7 Combine like terms: 7 + -7 = 0 0 + -10r = -17 + -7 -10r = -17 + -7 Combine like terms: -17 + -7 = -24 -10r = -24 Divide each side by '-10'. r = 2.4 Simplifying r = 2.4
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