Question

If x+2y=5 and x+y=-2,then y=

Answer 1

Answer:

y=7

Step-by-step explanation:

Let,x+2y=5......1

x+y=-2.......2

x=5-2y....... from equation 1

so putting x=5-2y in equation

5-2y+y=-2

i.e. y=7