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Simplifying -8(u + 1) = 2(1 + -4u) + -9 Reorder the terms: -8(1 + u) = 2(1 + -4u) + -9 (1 * -8 + u * -8) = 2(1 + -4u) + -9 (-8 + -8u) = 2(1 + -4u) + -9 -8 + -8u = (1 * 2 + -4u * 2) + -9 -8 + -8u = (2 + -8u) + -9 Reorder the terms: -8 + -8u = 2 + -9 + -8u Combine like terms: 2 + -9 = -7 -8 + -8u = -7 + -8u Add '8u' to each side of the equation. -8 + -8u + 8u = -7 + -8u + 8u Combine like terms: -8u + 8u = 0 -8 + 0 = -7 + -8u + 8u -8 = -7 + -8u + 8u Combine like terms: -8u + 8u = 0 -8 = -7 + 0 -8 = -7 Solving -8 = -7 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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