Question

x-y=3, 3x–3y=9,Solve the given pairs of linear equations by the method of substitution.

Answer 1

$it \: is \: not \: answer$

Answer 2

Answer:

x=3,Y=0

Step-by-step explanation:

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

-y=3-x_______1

substituting this eq in second eq

3x-3y=9

3x-3(3-x)=9

3x-9+3x=9

6x=18

x=3

in eq 1

-y=3-x

-y=3-3

-y=o