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Simplifying r + 141 = -7r + -3 Reorder the terms: 141 + r = -7r + -3 Reorder the terms: 141 + r = -3 + -7r Solving 141 + r = -3 + -7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '7r' to each side of the equation. 141 + r + 7r = -3 + -7r + 7r Combine like terms: r + 7r = 8r 141 + 8r = -3 + -7r + 7r Combine like terms: -7r + 7r = 0 141 + 8r = -3 + 0 141 + 8r = -3 Add '-141' to each side of the equation. 141 + -141 + 8r = -3 + -141 Combine like terms: 141 + -141 = 0 0 + 8r = -3 + -141 8r = -3 + -141 Combine like terms: -3 + -141 = -144 8r = -144 Divide each side by '8'. r = -18 Simplifying r = -18
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