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gayaneshka [121]
3 years ago
10

Wht is the substitution of x+y=9 and x=2y

Mathematics
1 answer:
Rama09 [41]3 years ago
3 0
I hope this helps you



2y+y=9



3y=9



y=3


x=2y=2.3=6
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**For future questions**
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