2x-3y=17 and 5y=-11 and Y show me how to figure out what is the value of x and y?

Answer 1

I think you can just add the two equations together.

Answer 2

2x-3y-17 = 0, and 5y + 11 = 0. Therefore, the 2 Eqs. are equal:
2x - 3y - 17 = 5y + 11,
2x - 8y = 28,
x - 4y = 14,
X = 4y + 14
2(4y+14) = 17,
8y + 28 = 17,
Y = -11/8.
Plug the value of Y into Eq1 and solve for X.

Answer 3

Correction:
2(4y+14)-3y = 17,
8y+28 - 3y = 17,
5y = -11,
Y = -11/5.
In Eq1, replace Y with -11/5 and solve for X.