Question

Please solve this....

Answer 1

Answer:

Hey just look at the picture

Answer 2

Answer:

let 2X-y=4 be eq. 1 and X+y=5 be eq.2

Step-by-step explanation:

multiply eq.1 by 2 thus we get 2X+2y=10 now we can substitute them 2X -y=4. -2x-2y=-10. then we get -3y=-6. y=2. put y in eq.2. X+y=5. so. X+2=5. X=3