Question

qual numero coloco no Xe no Y .... X -60 = Y.2 = 40 ??

Answer 1

x-60=y.2=40
2y=40
y= 20
x-60=40
x= 100

Answer 2

x-60=y.2=40
2y=40
y=40/2
y=20
x=-60+20
x=-40