Question

x/y=3/4 , find 7x-4y/3x+y

Answer 1

devide numerator and denominator of given equation by 'y' then put values of x/y in equation solve it

Answer 2

\[\large{\frac{x}{y}=\frac{3}{4}}\]
\[\large{x=\frac{3y}{4}}\]
now put this in the eqn :7x-4y/3x+y

Answer 3

\[\large{\frac{7x-4y}{3x+y}=\frac{\frac{21y}{4}-4y}{\frac{9y}{4}+y}}\]

Answer 4

@9044614570 reply to me what you get?