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asambeis [7]
3 years ago
13

12. If 3x + 4y = -1 and x - 2y = 3, then y=

Mathematics
1 answer:
Hatshy [7]3 years ago
6 0

y=3 and x= 5

Step-by-step explanation:

  • 3×+×=-1 and 4y-2y=3
  • 4×=1 and 2y=3
  • ×=4-1 and y=3+2
  • x=3 and y=5
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