Answer:
78
Step-by-step explanation:
x + 21 = 3x - 15
- x - x
21 = 2x - 15
+ 15 + 15
36 = 2x
/ 2 / 2
18 = x
2 (x + 21)
2 (18 + 21)
36 + 42
78
Meeeeeee please I need it
Answer:
x-3
Step-by-step explanation:
f(x) = 3x – 2
g(x) = 2x + 1
(f – g)(x) = 3x-2 - ( 2x+1)
Distribute the minus sign
= 3x-2 -2x -1
= x -3
Answer:
6 inches per year
Step-by-step explanation:
30 / 5
---------
5 / 5
= 6 inches
----------------
1 year
= 6 inches
-------------
year
= 6 inches per year
5400 is ur answer .
ans: 5400 is the surface area