Question

Use elimination to solve each system of equations.
34. x + y = 4
−2x + 3y = 7

Answer 1

Multiply first equation with 2 and add the two equations

Answer 2

2x + 2y = 8
-2x +3y = 7
.........................

5y = 15 = > y =3

now substitute this in first equation and u will get x value :)