Question

So for x
and y
x+ 3 Y = 10

2x+3y=21​

Answer 1

Answer:

x+3y=10.......(1)

2x+3y=21.......(2)

Subtracting (1) from (2)

2x+3y-x-3y=21-10

=>x=11

From (1)

x+3y=10

=> 11+3y=10

=> 3y= -1

=> y= -1/3