Answer:
Step-by-step explanation:
let the number be x
(x+6)/3 =21
x+6=21*3
x+6=63
x=57
Answer:
Negative 7.9
Step-by-step explanation:
-7.9 is just negative 7.9.
Do you need this as fraction? If you do, I can help ^^
Answer:
32
Step-by-step explanation:
do 4 x 3 = 12 then do 12 + 20 =32.
Answer:
48 :)
Step-by-step explanation:
120 divided by 10 = 12
12 x 4 = 48