Solve the equation for y.

4x – 5y = 9

A.y= -4x-5

B. y=4/5 x -9/5

Question

Solve the equation for y.

4x – 5y = 9
 
 A.y= -4x-5
   
 
 B. y=4/5 x -9/5  <---- this is the one i think is right but i'm not sure???
   
 
 C. y= -5/4 x -5/9 <----- or maybe this one but still not sure yet????
   
 
 D. y= 5/4 x + 9/4

thesmartone · Answer

Hi

thesmartone · Answer

4x – 5y = 9

Lets add 5y to both sides

What do you get? :)

rockycatsrule · Answer

hey

rushwr · Answer

@rockycatsrule  the answer is B that's right!

rockycatsrule · Answer

thanks

rushwr · Answer

4x-5y =9
4x-9 = 5y
$$y = \frac{ 4x-9 }{ 5 } = \frac{ 4 }{ 5 }x - \frac{ 9 }{ 5 }$$

rockycatsrule · Answer

oh now i get what u did  so thx so much.. so do u think u could help with some more

rushwr · Answer

yeah sure, no problem at all. But close this question and open a new one. :)

rockycatsrule · Answer

kk

rushwr · Answer

And also click on the blue colour best response button to medal the best answer :)