Question

Which is an equivalent form of the equation 3x-3y=15

A. Y=x-5
B. Y=x+5
C. Y=5-x
D. Y=-5-x

Answer 1

Simple....

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

You have:

3x-3y=15

3x-3y=15
-3x -3x

-3y=15-3x

Divide by -3.....


`(-3y)/(-3) = (15-3x)/(-3)`

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

Thus, your answer....A.

Answer 2

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