Question

Solve the system by elimination.
x + 5y - 4z = -10
2x - y + 5z = -9
2x - 10y - 5z = 0

Answer 1

If change the problem so that it becomes a matrix you can use guass jordan to find the answer. Row 1 would be 1 5 -4 -10 row 2 2 -1 5 -9 and row 3 2 -10 -5 0. Put this one after the other. Before I continue, does this sound like any use?

Answer 2

Yes it does

Answer 3

for the late-ish response. I'm very new to this site, as of 25 minutes ago to be exact. okay so what you are ultimately trying to do is change the equations so that they look like this

Answer 4

ok so we have to change it around and its ok

Answer 5

@ninichell, go back to your question