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Simplifying 4r = 3r + -18 + -2r Reorder the terms: 4r = -18 + 3r + -2r Combine like terms: 3r + -2r = 1r 4r = -18 + 1r Solving 4r = -18 + 1r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-1r' to each side of the equation. 4r + -1r = -18 + 1r + -1r Combine like terms: 4r + -1r = 3r 3r = -18 + 1r + -1r Combine like terms: 1r + -1r = 0 3r = -18 + 0 3r = -18 Divide each side by '3'. r = -6 Simplifying r = -6
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