Question

64*(10-x)=32*(30-y)       x=24y/56

Answer 1

64(10-24y/56)=32(30-y)
640-1536y/56=960-32y l*56
35840-1536y=53760-1792y
-1536y+1792y=53760-35840
256y=17920
y=70

x=24*70/56=1680/56=30
Ответ: x=30 ; y=70