3 years ago

Solve the system 3x+y=7 and -2x-y=9 X=7 x=16 x=9 X=1

Mathematics

1 answer:

igomit [66]3 years ago

3 0

Answer:

Step-by-step explanation:

3x + y = 7

-2x - y = 9

x = 16

answer is B

3(16) + y = 7

48 + y = 7

y = -41

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