Question

Find value of y in (3x–y = 3 and 9x–3y = 9)​

Answer 1

Answer:

// Solve equation [1] for the variable y

[1] y = 3x - 3

// Plug this in for variable y in equation [2]

[2] 9x - 3•(3x-3) = 9

[2] 0 = 0 => Infinitely many solutions

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Answer 2

Answer:

ITS VERY EASY AND ANSWER IS 0

Step-by-step explanation:

3x-y=3------(i) ×9

9x-3y=9------(ii) ×3

27x-9y=27

27x-9y=27

(+) (+) (-)

=0