Question

4/y+3= 3/y+4

Answer 1

i need to know y

Answer 2

is the problem writen as 4/(y+3)= 3/(y+4)?

Answer 3

there proportions

Answer 4

like fractions

Answer 5

\[\frac{ 4 }{ y+3 }=\frac{ 3 }{y+4 }\]
4(y+4)=3(y+3)
4y+16=3y+9
4y-3y=9-16
y=-7

Answer 6

\[\frac{4}{y+3}=\frac{3}{y+4} \rightarrow 4(y+4)= 3(y+3)\]
i.e. 4y+16= 3y+9
i.e. 4y-3y= 9-16
i.e. y= -7