Question

dacă 3x=2y atunci (3x-y):(x+y) este egal cu​

Answer 1

3x=2y

3x-y=2y-y=y

2y=3x

$x=\frac{2y}{3}$

$x+y=\frac{2y}{3} +y=\frac{5y}{3}$

$(3x-y):(x+y)\\\\y:\frac{5y}{3} =y\times \frac{3}{5y} =\frac{3}{5}$