Will fan and medal! Thank you ♥

what is equation x=y +z solved for z?
A x+y = z
B x/y = z
C y/x =z
D x-y = z

Question

Will fan and medal! Thank you ♥

what is equation x=y +z solved for z?
A x+y = z
B x/y = z
C y/x =z 
D x-y = z

anonymous · Answer

@samanthagreer @AloneS @beauty18dd @wolfcherry @ILikeRamen somobody plese help me!...

rvc · Answer

you need the value of z, right?

anonymous · Answer

yes

rvc · Answer

so z must be equal to something, agree?

rvc · Answer

the best way to get z on one side of the " equal to " sign is..?

anonymous · Answer

@Error1603 help?

alones · Answer

Hrmm so your question didn't get answerd /: i think i can try so subtract z on both sides
xyz - z = x + y 
z(xy - 1) = x + y (factor out z)
z = (x + y) / (xy - 1) (divide both sides by xy - 1) 
z = (x+y) / (xy - 1)