Is (5,8) a solution to this system of equations?

x=5
2x+y=18

1 answer

Yes, (5, 8) is a solution to this system of equations.

When x = 5 and y = 8,
- x = 5 is true.
- 2x + y = 2(5) + 8 = 10 + 8 = 18, which is also true.

Therefore, (5, 8) satisfies both equations in the system.