Question

The solution of the pair of equation 3x-y=5 and x+2y = 4 is(1) x=1, y=2 (2) x=2,y=1 (3) x=2,y=2 (4) x=1,y=1​

Answer 1

Answer:

2) x=2,y=1

Step-by-step explanation:

(3x-y=5)×2

=6x-2y=10 ------eq(1)

x+2y=4 -----------eq(2)

eq (1) +eq (2)

then x=2

y=1