Verified Answer :

Brahimilaf2

Hello , 
(3x-3y = 15) / 3
x-y = 5 
so , it's A. y = x-5 .

Simple....

change into y=mx+b form....

You have:

3x-3y=15

3x-3y=15
-3x        -3x

-3y=15-3x

Divide by -3.....

\(\frac{-3y}{-3} = \frac{15-3x}{-3}\)

y=-5+x or y=x-5

Thus, your answer....A.

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