Question

– 5x + 13y = -7
5x + 4y = 24
X =
y=

Answer 1

Explanation:

First, we can add the two equations together:

-5x+5x+13y+4y=24-7

17y=17

y=1

As you can see, the x values cancelled out. We now know that y=1. Since 5x+4y=24 and y=1:

5x+4=24

5x=20

x=4.

x=4, y=1. Done.