10. Mrs Choudhary took (7x – 50) with her for
shopping. She spent 3(2x + 15) for groceries and
(3x - 20) to buy fruits and vegetables. Find
how much money was left with her.
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Step-by-step explanation:
(7x -50) - (3(2x+15) + 3x-20
= (7x -50) - (6x+45 +3x -20)
= (7x -50 -6x - 45 - 3x + 20)
= (-2x - 75)
= -(2x +75 )
hence , Mrs. choudhry had saved - (2x +75) rs.
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