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Pixel:
http://prntscr.com/iesxfe
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Pixel:
@dude
Pixel:
i got a decimal so i got the first part wrong
Pixel:
i got -0.25
dude:
\(5x-y=-21\\ x+y=-3\) Add these together
Pixel:
6x=-24
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dude:
Yes, then divide by 6 on both sides
Pixel:
ohmigod im dumb i did 6 / -24 not -24 / 6 *facedesk*
dude:
Haha common mistake, its okay.
Pixel:
-4
dude:
Right, now you substitute it back into one of the equations
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Pixel:
-20-y=-21
Pixel:
-y=-1
Pixel:
y=1
dude:
Right
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