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Simplifying 247 = 13r Solving 247 = 13r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-13r' to each side of the equation. 247 + -13r = 13r + -13r Combine like terms: 13r + -13r = 0 247 + -13r = 0 Add '-247' to each side of the equation. 247 + -247 + -13r = 0 + -247 Combine like terms: 247 + -247 = 0 0 + -13r = 0 + -247 -13r = 0 + -247 Combine like terms: 0 + -247 = -247 -13r = -247 Divide each side by '-13'. r = 19 Simplifying r = 19
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