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Molly Waters
Mathematics
8 August, 12:13
Y=2x
X+y=12
What is the answer
+4
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2
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Sierra Hughes
8 August, 12:15
0
Y = 2x
x + y = 12
Well it says y = 2x, so lets substitute that here.
x + 2x = 12
3x = 12
x = 4
y = 2x
y = 2 (4)
y = 8
So x = 4, y = 8.
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Elianna Lester
8 August, 12:30
0
For the first one X = 6 & Y = 12
For the second one x & y equals 6
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