Răspuns :
2x+5y/4x-y=9/7
9(2x+5y)=7(4x-y)
18x+45y=28x-7y | -45y
18x=28x-7y | +28x
46x=7y
x/y=46/7
Sper ca te-am ajutat !!
9(2x+5y)=7(4x-y)
18x+45y=28x-7y | -45y
18x=28x-7y | +28x
46x=7y
x/y=46/7
Sper ca te-am ajutat !!
2x+5y/4x-y=9/7
9(2x+5y)=7(4x-y)
18x+45y=28x-7y | -45y
18x=28x-7y | +28x
46x=7y
x/y=46/7
9(2x+5y)=7(4x-y)
18x+45y=28x-7y | -45y
18x=28x-7y | +28x
46x=7y
x/y=46/7