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Sauron [17]
3 years ago
10

Solve the system of equations using substitution: 7y+2x=16 5y-9=x

Mathematics
1 answer:
7nadin3 [17]3 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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