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Simplifying -4r + -13 = 7 + -1g(r + 2) Reorder the terms: -13 + -4r = 7 + -1g(r + 2) Reorder the terms: -13 + -4r = 7 + -1g(2 + r) -13 + -4r = 7 + (2 * -1g + r * -1g) -13 + -4r = 7 + (-2g + -1gr) Solving -13 + -4r = 7 + -2g + -1gr Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add 'gr' to each side of the equation. -13 + gr + -4r = 7 + -2g + -1gr + gr Combine like terms: -1gr + gr = 0 -13 + gr + -4r = 7 + -2g + 0 -13 + gr + -4r = 7 + -2g Add '13' to each side of the equation. -13 + gr + 13 + -4r = 7 + 13 + -2g Reorder the terms: -13 + 13 + gr + -4r = 7 + 13 + -2g Combine like terms: -13 + 13 = 0 0 + gr + -4r = 7 + 13 + -2g gr + -4r = 7 + 13 + -2g Combine like terms: 7 + 13 = 20 gr + -4r = 20 + -2g Reorder the terms: -20 + 2g + gr + -4r = 20 + -2g + -20 + 2g Reorder the terms: -20 + 2g + gr + -4r = 20 + -20 + -2g + 2g Combine like terms: 20 + -20 = 0 -20 + 2g + gr + -4r = 0 + -2g + 2g -20 + 2g + gr + -4r = -2g + 2g Combine like terms: -2g + 2g = 0 -20 + 2g + gr + -4r = 0 The solution to this equation could not be determined.
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