Question

In a toy shop, Rakesh observed that there are (6d-4y+12z) wooden toys,
(-4d+6y-10z) plastic toys, and some are soft toys. If the total number of toys
are (17d + y+16z), then find the number of soft toys.

Answer 1

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6d - 4y + 12z

+ (-4d) + 6y - 10z

=> 2d - 2y +2z

17d + y + 16z

- 2d - 2y + 2z

=> 15d -y +18z

so the number of soft toys are

=> 15d - y + 18z