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Simplifying 1r + 8 = 4r + 2 Reorder the terms: 8 + 1r = 4r + 2 Reorder the terms: 8 + 1r = 2 + 4r Solving 8 + 1r = 2 + 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. 8 + 1r + -4r = 2 + 4r + -4r Combine like terms: 1r + -4r = -3r 8 + -3r = 2 + 4r + -4r Combine like terms: 4r + -4r = 0 8 + -3r = 2 + 0 8 + -3r = 2 Add '-8' to each side of the equation. 8 + -8 + -3r = 2 + -8 Combine like terms: 8 + -8 = 0 0 + -3r = 2 + -8 -3r = 2 + -8 Combine like terms: 2 + -8 = -6 -3r = -6 Divide each side by '-3'. r = 2 Simplifying r = 2
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