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Simplifying 9r + -22 = -30 + 8r Reorder the terms: -22 + 9r = -30 + 8r Solving -22 + 9r = -30 + 8r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-8r' to each side of the equation. -22 + 9r + -8r = -30 + 8r + -8r Combine like terms: 9r + -8r = 1r -22 + 1r = -30 + 8r + -8r Combine like terms: 8r + -8r = 0 -22 + 1r = -30 + 0 -22 + 1r = -30 Add '22' to each side of the equation. -22 + 22 + 1r = -30 + 22 Combine like terms: -22 + 22 = 0 0 + 1r = -30 + 22 1r = -30 + 22 Combine like terms: -30 + 22 = -8 1r = -8 Divide each side by '1'. r = -8 Simplifying r = -8
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