Question

full explanation
solve pzz

Answer 1

Answer:

hlw

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Step-by-step explanation:

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Answer 2

3x -y = 3

⇒ 3x = 3 -y

⇒ x = (3-y)/3 ..............(i)

9x - 3y = 9 ..........(ii)

Substituting (i) in (ii)

9/3(3-y) -3y = 9

⇒ 9 - 3y - 3y = 9

⇒ -6y = 9-9

⇒ y = 0

Now putting y = 0 in (i)

⇒x = (3-y)/3

⇒x = (3 - 0)/3

⇒x =3/3

⇒x = 1