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Simplifying -5r + -7 = -5(r + 3) Reorder the terms: -7 + -5r = -5(r + 3) Reorder the terms: -7 + -5r = -5(3 + r) -7 + -5r = (3 * -5 + r * -5) -7 + -5r = (-15 + -5r) Add '5r' to each side of the equation. -7 + -5r + 5r = -15 + -5r + 5r Combine like terms: -5r + 5r = 0 -7 + 0 = -15 + -5r + 5r -7 = -15 + -5r + 5r Combine like terms: -5r + 5r = 0 -7 = -15 + 0 -7 = -15 Solving -7 = -15 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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