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Simplifying -5r + -7 = 2r + 28 Reorder the terms: -7 + -5r = 2r + 28 Reorder the terms: -7 + -5r = 28 + 2r Solving -7 + -5r = 28 + 2r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2r' to each side of the equation. -7 + -5r + -2r = 28 + 2r + -2r Combine like terms: -5r + -2r = -7r -7 + -7r = 28 + 2r + -2r Combine like terms: 2r + -2r = 0 -7 + -7r = 28 + 0 -7 + -7r = 28 Add '7' to each side of the equation. -7 + 7 + -7r = 28 + 7 Combine like terms: -7 + 7 = 0 0 + -7r = 28 + 7 -7r = 28 + 7 Combine like terms: 28 + 7 = 35 -7r = 35 Divide each side by '-7'. r = -5 Simplifying r = -5
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