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Simplifying 4r + -5 = 13r + 16 Reorder the terms: -5 + 4r = 13r + 16 Reorder the terms: -5 + 4r = 16 + 13r Solving -5 + 4r = 16 + 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. -5 + 4r + -13r = 16 + 13r + -13r Combine like terms: 4r + -13r = -9r -5 + -9r = 16 + 13r + -13r Combine like terms: 13r + -13r = 0 -5 + -9r = 16 + 0 -5 + -9r = 16 Add '5' to each side of the equation. -5 + 5 + -9r = 16 + 5 Combine like terms: -5 + 5 = 0 0 + -9r = 16 + 5 -9r = 16 + 5 Combine like terms: 16 + 5 = 21 -9r = 21 Divide each side by '-9'. r = -2.333333333 Simplifying r = -2.333333333
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