Asked by olivia

Given(3x+3)/(6y+1)=3,find the value of7x/3y.
Answered by Jonel
3x+3 = 0
3x = -3
x= -1

6y+1 = 0
6y= -1
y = -1/6

7(-1)/ 3(-1/6)

the value of 7x/3y is 14
Answered by Reiny
from the given equation,

18y + 3 = 3x+3
18y = 3x
x = 6y

then 7x/3y
= 42y/(3y)
= 42/3
= 14
=
Answered by olivia
why3x+3=0 ??
Answered by olivia
okay i got it!thanks!!
Answered by Reiny
good question, Olivia, since if 3x+3 = 0 we would have

0/(6y+1) = 3
0 = 3 which would be nonsense.

Jonel was just "lucky" to get the correct answer, since
x = -1 works in the simplified equation x = 6y
but not in the original equation.
Answered by Jonel
I did magic
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