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Simplifying 8 + 4r = 6(6 + 3r) 8 + 4r = (6 * 6 + 3r * 6) 8 + 4r = (36 + 18r) Solving 8 + 4r = 36 + 18r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-18r' to each side of the equation. 8 + 4r + -18r = 36 + 18r + -18r Combine like terms: 4r + -18r = -14r 8 + -14r = 36 + 18r + -18r Combine like terms: 18r + -18r = 0 8 + -14r = 36 + 0 8 + -14r = 36 Add '-8' to each side of the equation. 8 + -8 + -14r = 36 + -8 Combine like terms: 8 + -8 = 0 0 + -14r = 36 + -8 -14r = 36 + -8 Combine like terms: 36 + -8 = 28 -14r = 28 Divide each side by '-14'. r = -2 Simplifying r = -2
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