Please go over one more time.
-8x - 9y = -25
-4x + 3y = -5
I think I am getting confused on the substituting.
There is a systematic way of solving these equations. You need to see how one of the two variables will get cancel from both the equations first and ...
A system of equation is solved by addition. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.