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Simplifying 5r + -16 = 4r + -7 Reorder the terms: -16 + 5r = 4r + -7 Reorder the terms: -16 + 5r = -7 + 4r Solving -16 + 5r = -7 + 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. -16 + 5r + -4r = -7 + 4r + -4r Combine like terms: 5r + -4r = 1r -16 + 1r = -7 + 4r + -4r Combine like terms: 4r + -4r = 0 -16 + 1r = -7 + 0 -16 + 1r = -7 Add '16' to each side of the equation. -16 + 16 + 1r = -7 + 16 Combine like terms: -16 + 16 = 0 0 + 1r = -7 + 16 1r = -7 + 16 Combine like terms: -7 + 16 = 9 1r = 9 Divide each side by '1'. r = 9 Simplifying r = 9
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