Question

find the value of x and y

71x+37y=253
37x+71y=287​

Answer 1

Step-by-step explanation:

71x+37y=253

+

37x+71y=287

_______________

108x+108y=540

108(x+y)=540

x+y=5

71x+37y=253

-

37x+71y=287

_______________

34x-34y=-34

34(x-y)=-33

x-y=-1

x+y=5

+x-y=-1

_________

2x=4

x=2

x+y=5

2+y=5

y=3