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Simplifying -2(1 + -4r) = 2(1 + 4r) (1 * -2 + -4r * -2) = 2(1 + 4r) (-2 + 8r) = 2(1 + 4r) -2 + 8r = (1 * 2 + 4r * 2) -2 + 8r = (2 + 8r) Add '-8r' to each side of the equation. -2 + 8r + -8r = 2 + 8r + -8r Combine like terms: 8r + -8r = 0 -2 + 0 = 2 + 8r + -8r -2 = 2 + 8r + -8r Combine like terms: 8r + -8r = 0 -2 = 2 + 0 -2 = 2 Solving -2 = 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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