Question

Q12. Solve these :-

1. 21b - 32b + 14b + 36b

2. 14ab -13ab + 24ab + 72ab

Q13. Add these :-

21m + 42p – 70q and 80q – 30m + 19p​

Answer 1

Answer:

12.

1. 39b

2. 97ab

13.

-9m + 61p + 10q

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Answer 2

Answer:

and ques no 1 is here

21b-32b+14b+36b

=-11b+14b+36b

=39b ANSWER

Step-by-step explanation:

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