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Simplifying 8r + -22 = 7r Reorder the terms: -22 + 8r = 7r Solving -22 + 8r = 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. -22 + 8r + -7r = 7r + -7r Combine like terms: 8r + -7r = 1r -22 + 1r = 7r + -7r Combine like terms: 7r + -7r = 0 -22 + 1r = 0 Add '22' to each side of the equation. -22 + 22 + 1r = 0 + 22 Combine like terms: -22 + 22 = 0 0 + 1r = 0 + 22 1r = 0 + 22 Combine like terms: 0 + 22 = 22 1r = 22 Divide each side by '1'. r = 22 Simplifying r = 22
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