Question

23m +29n=40 and 29m+23n=64
value of (m-n) is​

Answer 1

Answer:

4

Step-by-step explanation:

29m+23n=64

-23m+29n= 40

----------------------

6m -6n = 24

dividing by 6,

m-n=4

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Answer 2

Step-by-step explanation:

let 23m+29n=40 ---- (1)

(_) 29m+23n=64 ---- (2)

__________________

-6m+6n= -24

-6(m-n) = -24

(m-n) = -24/-6

(m-n) = 4