arparks455 arparks455

24-08-2016
Mathematics

contestada

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

Respuesta :

Brahimilaf2 Brahimilaf2

24-08-2016

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

Answer Link

Аноним Аноним

24-08-2016

Simple....

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

You have:

3x-3y=15

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

-3y=15-3x

Divide by -3.....

[tex] \frac{-3y}{-3} = \frac{15-3x}{-3} [/tex]

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

Thus, your answer....A.

Answer Link

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