Please answer these two questions precisely :)
- using the expression 7x = 3y, if y is 35, what is x?
A15
B21
C35
D105
- Bruce has 97 sports cards. 34 of them are football cards. Which equation can be used to find the number of sports cards y that are not football cards?
A97 + 34 = y
By + 97 = 34
C34 + y = 97
Dy - 97 = 34
A15
B21
C35
D105
A97 + 34 = y
By + 97 = 34
C34 + y = 97
Dy - 97 = 34