3x-10=21+3x
-3x. -3x
x-10=21
+10. +10
x=31
Answer:
The answer is 4186.67!
Step-by-step explanation:
V=(4/3)(3.14)(10)³
Then you solve that in your calculator
You will get your answer.
Answer: 8 or 2
Step-by-step explanation:
(x-5)^2=9
First square both sides to get rid of the power
(X-5)=3
Now add 5 to 3
X=8
Rearranging
(5-x)=3
Subtract 5 from 3=-2
-x=-2
so
X=2
Answer:
13.5
Step-by-step explanation:
6x - 9 = 72
6x - 9 + 9 = 72 + 9
6x = 81
6x / 6 = 81 / 6
x = 13.5
