Math, asked by soniyapande, 11 days ago

1] If 5x+7y=17; 7x+5y=19, then find the value of (x-y).

A]2 B] 4 C] 1 D] 7

Answers

Answered by classprep

4

X-Y=1

Step-by-step explanation:

5x+7y=17----(i)

7x+5y=19----(ii)

subtracting (i) from (ii) we get

2x-2y=2

dividing whole equation by 2 we get

x-y=1

Solved

Answered by shafikashaikh1985

2

Answer:

priya iska answer 1 hai ok

Step-by-step explanation:

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