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Simplifying 1 + 3r = -11 + -3r Solving 1 + 3r = -11 + -3r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '3r' to each side of the equation. 1 + 3r + 3r = -11 + -3r + 3r Combine like terms: 3r + 3r = 6r 1 + 6r = -11 + -3r + 3r Combine like terms: -3r + 3r = 0 1 + 6r = -11 + 0 1 + 6r = -11 Add '-1' to each side of the equation. 1 + -1 + 6r = -11 + -1 Combine like terms: 1 + -1 = 0 0 + 6r = -11 + -1 6r = -11 + -1 Combine like terms: -11 + -1 = -12 6r = -12 Divide each side by '6'. r = -2 Simplifying r = -2
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