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Simplifying 7 + 19r = 4r + 67 Reorder the terms: 7 + 19r = 67 + 4r Solving 7 + 19r = 67 + 4r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-4r' to each side of the equation. 7 + 19r + -4r = 67 + 4r + -4r Combine like terms: 19r + -4r = 15r 7 + 15r = 67 + 4r + -4r Combine like terms: 4r + -4r = 0 7 + 15r = 67 + 0 7 + 15r = 67 Add '-7' to each side of the equation. 7 + -7 + 15r = 67 + -7 Combine like terms: 7 + -7 = 0 0 + 15r = 67 + -7 15r = 67 + -7 Combine like terms: 67 + -7 = 60 15r = 60 Divide each side by '15'. r = 4 Simplifying r = 4
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