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Mathematics
21 April, 21:56
X - y = 11 2x + y = 19 using elimination
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Daisy Barnett
21 April, 22:15
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x-y=11
2x+y=19
Add them together then you get
3x=30
divide
x=10
put it back in so
10-y=11
subract 10
-y=1
divide by - 1
y=1
x=10
(10,1)
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