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bulgar [2K]
3 years ago
15

According to the system of equations above, what is

Mathematics
1 answer:
Alecsey [184]3 years ago
8 0

Answer:

7

Step-by-step explanation:

try substituting

crossmultyply

x=-9-y

substituting

-9-y=-25+9

y=16

substituting

pick one of the equations

x+y=-9

x-16=-9

x=-9+16

x=7

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