Question

More elimination! (NO clue how to do this one)
4x-y=-24
3x-y=-19

Answer 1

1. Multiply the second equation by -1.
2. Add that result to first equation.

Answer 2

Ok I wasn't sure if it was -1.

Answer 3

yep

Answer 4

-3x+y=19?

Answer 5

yep

Answer 6

x=-5

Answer 7

yep

Answer 8

Now find y by substitution.

Answer 9

y=-4

Answer 10

Better check your signs. There's an error somewhere.

Answer 11

\[4(-5)-y=-24\]
\[-20-y=-24\]
\[-y=-24+20\]
\[-y=-4\]
\[y=4\]

Answer 12

4(-5)-y=-24
-20-y=-24
+20 +20
y=-4
ok i disregarded the extra - in front of the y

Answer 13

yes...can't do that.

Answer 14

hahaha yeahhhhh dangit. Thank you!