5a - 2 = 23.
First, take 5a - 2 = 23 and add 2 to each side
5a - 2 = 23
+2 +2
5a = 25
now, divide each side by 5
5a = 25
/5 /5
a = 5
Answer:
It is a prime number.
Step-by-step explanation:
A prime number is a number that can only be the product of 1 and itself. 17 can only be multiplied by 1 and 17, so it is prime.
Answer: 20
1) simplify 2^2 to 4
4*5
2) simplify
20
