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Simplifying 7 + 4r = 3r + 58 Reorder the terms: 7 + 4r = 58 + 3r Solving 7 + 4r = 58 + 3r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-3r' to each side of the equation. 7 + 4r + -3r = 58 + 3r + -3r Combine like terms: 4r + -3r = 1r 7 + 1r = 58 + 3r + -3r Combine like terms: 3r + -3r = 0 7 + 1r = 58 + 0 7 + 1r = 58 Add '-7' to each side of the equation. 7 + -7 + 1r = 58 + -7 Combine like terms: 7 + -7 = 0 0 + 1r = 58 + -7 1r = 58 + -7 Combine like terms: 58 + -7 = 51 1r = 51 Divide each side by '1'. r = 51 Simplifying r = 51
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