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Simplifying 2r + -4r + 16 = r + -2 Reorder the terms: 16 + 2r + -4r = r + -2 Combine like terms: 2r + -4r = -2r 16 + -2r = r + -2 Reorder the terms: 16 + -2r = -2 + r Solving 16 + -2r = -2 + r 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. 16 + -2r + -1r = -2 + r + -1r Combine like terms: -2r + -1r = -3r 16 + -3r = -2 + r + -1r Combine like terms: r + -1r = 0 16 + -3r = -2 + 0 16 + -3r = -2 Add '-16' to each side of the equation. 16 + -16 + -3r = -2 + -16 Combine like terms: 16 + -16 = 0 0 + -3r = -2 + -16 -3r = -2 + -16 Combine like terms: -2 + -16 = -18 -3r = -18 Divide each side by '-3'. r = 6 Simplifying r = 6
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