Question

solve 3x+y=15,2x-Y=15​

Answer 1

Answer:

» 3x + y = 15 ... (1)

» 2x - y = 15 ... (2)

On solving we get,

» (x, y) = (6, -3)

Answer 2

Answer:

3x+y=15 i

2x-y=15 ii

5x=30

x=6. Answer

y=(2×6)-15

y=(-3). Answer

x=6,y=-3