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Simplifying -6r + -5 = 7 + -12d Reorder the terms: -5 + -6r = 7 + -12d Solving -5 + -6r = 7 + -12d Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -6r = 7 + 5 + -12d Combine like terms: -5 + 5 = 0 0 + -6r = 7 + 5 + -12d -6r = 7 + 5 + -12d Combine like terms: 7 + 5 = 12 -6r = 12 + -12d Divide each side by '-6'. r = -2 + 2d Simplifying r = -2 + 2d
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