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Simplifying -4 + -5r = 2r + 3 Reorder the terms: -4 + -5r = 3 + 2r Solving -4 + -5r = 3 + 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. -4 + -5r + -2r = 3 + 2r + -2r Combine like terms: -5r + -2r = -7r -4 + -7r = 3 + 2r + -2r Combine like terms: 2r + -2r = 0 -4 + -7r = 3 + 0 -4 + -7r = 3 Add '4' to each side of the equation. -4 + 4 + -7r = 3 + 4 Combine like terms: -4 + 4 = 0 0 + -7r = 3 + 4 -7r = 3 + 4 Combine like terms: 3 + 4 = 7 -7r = 7 Divide each side by '-7'. r = -1 Simplifying r = -1
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