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