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Simplifying 2u + -40 = 4u Reorder the terms: -40 + 2u = 4u Solving -40 + 2u = 4u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-4u' to each side of the equation. -40 + 2u + -4u = 4u + -4u Combine like terms: 2u + -4u = -2u -40 + -2u = 4u + -4u Combine like terms: 4u + -4u = 0 -40 + -2u = 0 Add '40' to each side of the equation. -40 + 40 + -2u = 0 + 40 Combine like terms: -40 + 40 = 0 0 + -2u = 0 + 40 -2u = 0 + 40 Combine like terms: 0 + 40 = 40 -2u = 40 Divide each side by '-2'. u = -20 Simplifying u = -20
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