Question

Which equation has as one of its solution, the solution to the system of equations ?

4x+2y=10
3x-5y=14

1) 7x-3y=21
2)7x-3y=22
3)7x-3y=23
4)7x-3y=24

Please help me.

Answer 1

4) 7x-3y=24

Explanation:

Adding both equations of this system, you get

4х + 3х + 2у + (-5у) = 10 + 14

7x - 3y = 24