Question

Find the value of x and y, if (2x + y, x - 2y) = (3,4)​

Answer 1

Answer:

1)2x+y=3 y=3-2x

२)x-2y=4 =x-2(3-2x)=4

x-6+4x=4

5x=10

x=2

put x=2 in 1

4+y=3

y=-1