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Simplifying 8u + -40 = 2(u + -2) Reorder the terms: -40 + 8u = 2(u + -2) Reorder the terms: -40 + 8u = 2(-2 + u) -40 + 8u = (-2 * 2 + u * 2) -40 + 8u = (-4 + 2u) Solving -40 + 8u = -4 + 2u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-2u' to each side of the equation. -40 + 8u + -2u = -4 + 2u + -2u Combine like terms: 8u + -2u = 6u -40 + 6u = -4 + 2u + -2u Combine like terms: 2u + -2u = 0 -40 + 6u = -4 + 0 -40 + 6u = -4 Add '40' to each side of the equation. -40 + 40 + 6u = -4 + 40 Combine like terms: -40 + 40 = 0 0 + 6u = -4 + 40 6u = -4 + 40 Combine like terms: -4 + 40 = 36 6u = 36 Divide each side by '6'. u = 6 Simplifying u = 6
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