English, asked by basilsabin, 4 months ago

If a and b are positive integers such that a+b=9, then what is the value of (b−9) by 4a
.
..
...?
need explanation please...

Answers

Answered by chemistrywala

0

Explanation:

GIVEN: a+b = 9 so, b-9 = -a

Required : b-9/4a = -a/4a = -1/4 or -0.25

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