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3241004551 [841]
3 years ago
7

Need the calculations

Mathematics
1 answer:
iogann1982 [59]3 years ago
3 0
Y = x
so
y = 2y + 1
2y - y = -1
y = -1
x = y = -1
answer
(-1, -1) is the solution
--------
3x+ 2y = -1
x  -  2y = 11 so x = 2y + 11
substitute x = 2y + 11 into 3x+ 2y = -1

3x+ 2y = -1
3(2y + 11)+ 2y = -1
6y + 33 + 2y = -1
8y = -34
   y = - 17/4
x = 2y + 11
x = 2(-17/4) + 11
x = -17/2 + 11
x = 5/2

my answer is (5/2, -17/4)

I don't see any matching above
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Step-by-step explanation:

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