Question

solue by elimination method
47x+31y=63
31x+47y=15
​

Answer 1

Answer:

it is answer bro

Step-by-step explanation:

Answer 2

Answer:

x=2   ,y=-1

Step-by-step explanation:

47x+31y =63.....(1)

31x+47y =15......(2)

add both equation:

78x+78y=78

x+y=1.......(3)

subtract eq (2 )from(1)

16x-16y =48

x-y=3......(4)

add the equation (3) and(4)

2x=4

x=2

putting the value of x in (3) eq

2+y=1

y=-1