Answer:
12
Step-by-step explanation:
Three cars each need 4 wheels, so that is...
4 + 4 + 4 wheels, which is 12 wheels
Additive identity because that is the property when you add something to 0 and get the same thing
Answer:
I'm not good with this stuff myself... lol
Step-by-step explanation:
All real numbers. X€R
Answer:
7
Step-by-step explanation:
22+54x=20+60x
54x=-42+60x
-6x=-42
x=7