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Sauron
[17]
2 years ago
10
Solve the system of equations using substitution: 7y+2x=16 5y-9=x
Mathematics
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1
answer:
7nadin3
[17]
2 years ago
5
0
7y+2(5y-9)=16
7y+10y-18=16
17y=34
y=2
5(2)-9=x
10-9=x
x=1
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