11-08-2015
Mathematics

contestada

use elimination method to solve the system equations using an ordered pair or a simplified fraction. 9x-5y=-3. 9×+8y=10

Respuesta :

11-08-2015

Subtract the first equation from the second to get:

13y=13

Divide by 13 to find that y=1.

Substitute this in to the second equation to get:

9x+8=10

Subtracting 8 from both sides, we see that:

9x=2

So, x=2/9.

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