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sammy [17]
3 years ago
13

Given that 9x–4y = 20. Find y when x= -2

Mathematics
1 answer:
Alexxx [7]3 years ago
7 0
9x-4y=20
9(-2)-4y=20
-18-4y=20
-4y=20+18
-4y=38
Y= -9.5
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