Math, asked by khatunrahana981, 10 months ago

(7x - 4y) - (-2x - y)

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Answered by awasthin219

9

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Answered by kanishkadevpura

5

Answer:

$(7x - 4y) - ( - 2x - y) \\ 7x - 4y + 2x + y \\ 9x - 3y \div 3 \\ 3x - y \\ ans = 3x - y \: or \: 9x - 3y$

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