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Simplifying 2(3 + -2r) + -4(2 + -1r) = 0 (3 * 2 + -2r * 2) + -4(2 + -1r) = 0 (6 + -4r) + -4(2 + -1r) = 0 6 + -4r + (2 * -4 + -1r * -4) = 0 6 + -4r + (-8 + 4r) = 0 Reorder the terms: 6 + -8 + -4r + 4r = 0 Combine like terms: 6 + -8 = -2 -2 + -4r + 4r = 0 Combine like terms: -4r + 4r = 0 -2 + 0 = 0 -2 = 0 Solving -2 = 0 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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