Question

3x-y=3
9x-3y=9

solve the following pair of linear equation by the subtitution method​

Answer 1

3x-y=3........1

9x-3y=9..(divided by 3)

3x-y=3......2

3x=3-y

X=3-y/3

sub X in 1

3x-y=3

3(3-y/3)-y=3

3-y-y=3

-2y=3-3

y=0

sub y in 2

3x-y=3

3x-0=3

3x=3

X=1

I hope this will help you

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Answer 2

Answer:

3x-y=3

9x-3y=9

solve the following pair of linear equation by the subtitution method

Step-by-step explanation:

3x-y=3

9x-3y=9

solve the following pair of linear equation by the subtitution method