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Simplifying 4r + 7 = 2r + -13 Reorder the terms: 7 + 4r = 2r + -13 Reorder the terms: 7 + 4r = -13 + 2r Solving 7 + 4r = -13 + 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 + 4r + -2r = -13 + 2r + -2r Combine like terms: 4r + -2r = 2r 7 + 2r = -13 + 2r + -2r Combine like terms: 2r + -2r = 0 7 + 2r = -13 + 0 7 + 2r = -13 Add '-7' to each side of the equation. 7 + -7 + 2r = -13 + -7 Combine like terms: 7 + -7 = 0 0 + 2r = -13 + -7 2r = -13 + -7 Combine like terms: -13 + -7 = -20 2r = -20 Divide each side by '2'. r = -10 Simplifying r = -10
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