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Simplifying 4r + 1 + -3r = -8 + 11 Reorder the terms: 1 + 4r + -3r = -8 + 11 Combine like terms: 4r + -3r = 1r 1 + 1r = -8 + 11 Combine like terms: -8 + 11 = 3 1 + 1r = 3 Solving 1 + 1r = 3 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 1r = 3 + -1 Combine like terms: 1 + -1 = 0 0 + 1r = 3 + -1 1r = 3 + -1 Combine like terms: 3 + -1 = 2 1r = 2 Divide each side by '1'. r = 2 Simplifying r = 2
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