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Simplifying -2(5r + 2) = -10r + -2 Reorder the terms: -2(2 + 5r) = -10r + -2 (2 * -2 + 5r * -2) = -10r + -2 (-4 + -10r) = -10r + -2 Reorder the terms: -4 + -10r = -2 + -10r Add '10r' to each side of the equation. -4 + -10r + 10r = -2 + -10r + 10r Combine like terms: -10r + 10r = 0 -4 + 0 = -2 + -10r + 10r -4 = -2 + -10r + 10r Combine like terms: -10r + 10r = 0 -4 = -2 + 0 -4 = -2 Solving -4 = -2 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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