X=40
x+2=42
x+x+2=82
2x=80
x=40
Answer:
7 cards
Step-by-step explanation:
Well if John started off with 28 and gave away 10,
28-10=18
Gave tthe last 18 to his brother
18-18 = 0
Gained 10
0+10=10
Lost 3
10-3=7
Hence, John has 7 cards left.
Hello,
To solve this function for f(4) we need to plug 4 into f(x) and the result will be our answer. We know that f(x) is
. Plugging in 4 we get
. Therefore, f(4)=41. Hope this helps!
Answer:
-22*F
Step-by-step explanation:
The answer is -22*F because you are subtracting -7*F from -29*F.