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Simplifying -2r + -7 = -11 Reorder the terms: -7 + -2r = -11 Solving -7 + -2r = -11 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2r = -11 + 7 Combine like terms: -7 + 7 = 0 0 + -2r = -11 + 7 -2r = -11 + 7 Combine like terms: -11 + 7 = -4 -2r = -4 Divide each side by '-2'. r = 2 Simplifying r = 2
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