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