Math, asked by Manishchandanbatwe, 3 months ago

If 49x-57y = 172 & 57x-49y = 252 then x + y = ?

Answers

Answered by Anonymous

0

Answer:

x + y = 10

Step-by-step explanation:

subtracting equation 1 from 2

Answered by kcupadhyay11chs

5

57x-49y=252

49x-57y=172

subtract both

8x+8y=80

x+y=10

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