Tuesday

August 30, 2016
Posted by **sherry** on Tuesday, March 27, 2012 at 1:01am.

8x+10y=-34

16x-5y=-43

- Intermediate Algebra -
**drwls**, Tuesday, March 27, 2012 at 8:19amNote that, because of the first equation, 16x + 20y = -68.

Substitute -68 -20y for 16x in the second equation.

-68 -20y -5y = -43

-25y = 25

y = -1

8x -10 = -34

8x = -24

x = -3