Solve using elimination x+2y=4 -x-y=2
2 answers:
Answer:
x=-8 y=6
Step-by-step explanation:
Add the two equations together. This cancels the x and gets us y=6
Then substitute y in more the first equation which gets us -8
Answer: y = 6 x = -8
Step-by-step explanation:
X+2Y=4
-X-Y=2
(Combine like terms)
Y= 6
(Plug in 6 for y)
X+2(6)=4
X+12=4
X= -8
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