Question

if x/y = 3/4 find 5x-3y/7x+2y

Answer 1

THE ANSWER IS 1/10

Answer 2

\[\frac{5x-3y }{7x+2y }\]
divide by y both numerator and denominator then u will get
\[\LARGE\frac{ \frac{ 5x-3y }{y } }{\frac{ 7x+2y }{ y} }\]
\[=\LARGE\frac{5*\frac{x}{y}-3}{7*\frac{x}{y}+2}\]
Substitute 3/4 in place of x/y.
\[\LARGE\frac{5*\frac{x}{y}-3}{7*\frac{x}{y}+2}\]
\[=\LARGE\frac{5*\frac{3}{4}-3}{7*\frac{3}{4}+2}\]