93*х=6231 15768:у=36 z:407=814

Question

93*х=6231 15768:у=36 z:407=814

Answer 1

93×x=6231
x= 6231:93
x=67

15768:y=36
y=15768:36=438
y=438

z:407=814
z=814:407
z=2