Question

A basketball team played 64 games. they won 30 more than they lost

Answer 1

...x = matches won

y = matches lost

x+y=64

x=y+30

x+y=64

x-y=30

--->2x=94

x=47

they won 47 matches

we calculate y

x+y=64

47+y=64

y = 64-47=17 matches

they won 47 matches

they lost 17 games