Question

Solve 2x+y=4

Elimination x+3y=7

somebody please help ..​

Answer 1

Answer:

6x+3y=12

x+3y = 7

5x=5

x=1 Answer

2+y=4

y=2 Answer

Answer 2

Multiply (2) by (-2), we get :

-2x - 6y =-21 (3)

Add (1) and (3) :

2x + y -2x - 6y =4-21

-5y =-17

y =17/5