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Simplifying 4 + -2r = 17 + 15r Solving 4 + -2r = 17 + 15r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-15r' to each side of the equation. 4 + -2r + -15r = 17 + 15r + -15r Combine like terms: -2r + -15r = -17r 4 + -17r = 17 + 15r + -15r Combine like terms: 15r + -15r = 0 4 + -17r = 17 + 0 4 + -17r = 17 Add '-4' to each side of the equation. 4 + -4 + -17r = 17 + -4 Combine like terms: 4 + -4 = 0 0 + -17r = 17 + -4 -17r = 17 + -4 Combine like terms: 17 + -4 = 13 -17r = 13 Divide each side by '-17'. r = -0.7647058824 Simplifying r = -0.7647058824
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