Answer:
a. 
Step-by-step explanation:
Given function:
To find 
Solution:
In order to find ,we need to plugin input=2 i.e. the value of 
in the function and find the output by evaluating.
Plugging in in the given function.
Evaluating.
∴ (Answer)
<span>The difference between five times a number and twice that number = 15</span>
Answer:
10
Step-by-step explanation:
X-2 = 4+x
+2 +2
x = 6+x
-x -x
0 = 6
Answer: no solution / empty set / ∅
