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antoniya [11.8K]
3 years ago
8

Solving With Substitution (FOR 10 POINTS!): y= 2x + 1 3x + y = -9

Mathematics
1 answer:
Katen [24]3 years ago
8 0

Answer:

y = 2x + 1 \\ 3x + y =  \:  - 9 \\  \\ 3x + 2x + 1 =  - 9 \\ 5x =  - 10 \\ x =  - 2 \\  \\ y = 2( - 2) + 1 \\ y =  - 3 \\ ( - 2 \: and \:  - 3)

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