RELATED QUESTIONS

-y=(-x)-3  What does Y... (answered by psbhowmick)

If x +y = [(x+y)^5] / [(x+z)^7] where x is not equal to -z, and x is not equal to -y,... (answered by ikleyn)

40/x+y + 2/x-y =5,25/x+y - 3/x-y=1,where x+y is not equal to 0 and x-y is not equal to... (answered by Fombitz)

X-y=3 and x+y=8 then what does x^3-y^3 equal and how.
 (answered by anand429)

4y=(x+y+10)
what does x and y... (answered by t_as87)

x-y=15
x*y=700
what is x and y
please show how to solve... (answered by algebrapro18,Edwin McCravy)

Increasing x by 19% is equal to decreasing y by 15%.  y/x=
x+.19x= y-.15y
  1.19x=.85y   (answered by edjones)

if y is equal to 2x+7 determine y if x is equal to... (answered by Fombitz)

so Im trying to brush up on my skills and have been presented with: 

x - y - z = 5
y... (answered by solver91311,ikleyn,MathTherapy)