Question

Solve using substitution method: 3x-y=7 and 2x+3y=1​

Answer 1

Answer:

3x-y=7

3x-7=y (1)

2x+3y=1

put (1)

2x+3(3x-7)=1

2x+9x-21=1

11x=22

x=2

put value of x in 1

3×2-7=y

6-7=y

y=-1

hope it helps you

thank you

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Answer 2

Answer:

X= 22/10 & Y= -4/10

Step-by-step explanation:

IDK WHY MY ANSWER IS NOT UPLOADING....THAT'S WHY I'VE UPLOADED A SCREENSHOT..

There is some calculation mistakes..

So, it's your work to get the correct one