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3 ( 4d + 1 ) - 9d = 6 - 2d

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3(4d+1)-9d=6-2d12d+3-9d=6-2d3d+3=6-2d5d=3 /:5d=3/5

Suggested Answer

Answer:d=3/5Step-by-step explanation:3 ( 4d + 1 ) - 9d = 6 - 2d12d + 3 - 9d = 6 - 2d12d - 9d + 2d = 6 - 35d = 3d = 3/5d = 0.6

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