Question

3x - y = 3
9x -3y =9
solve this equations​

Answer 1

Step-by-step explanation:

take x as 0

1) 3x-y=3

3(0)-y=3

0-y=3

0=y+3

-3=y

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2) 9x-3y=9

9(0)-3y=9

0-3y=9

-3y=9

y=9/-3

y= -3