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Simplifying 16 + -3r = 4r + 1 Reorder the terms: 16 + -3r = 1 + 4r Solving 16 + -3r = 1 + 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 + -3r + -4r = 1 + 4r + -4r Combine like terms: -3r + -4r = -7r 16 + -7r = 1 + 4r + -4r Combine like terms: 4r + -4r = 0 16 + -7r = 1 + 0 16 + -7r = 1 Add '-16' to each side of the equation. 16 + -16 + -7r = 1 + -16 Combine like terms: 16 + -16 = 0 0 + -7r = 1 + -16 -7r = 1 + -16 Combine like terms: 1 + -16 = -15 -7r = -15 Divide each side by '-7'. r = 2.142857143 Simplifying r = 2.142857143
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