Math, asked by vansh613420, 2 months ago

Pls solve maths questions.

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Answered by tanutanyat

1

Answer:

21b+7b=28band -32+7is25 so the ans is 28b-25

Step-by-step explanation:

2.put value of a in 7a which is 21

then put value of b in 4b is 8

required is 7(3)-4(2)=13

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