5(11x-5)=85
55x-25=85
+25 +25
55x=110
---- -----
55 55
x = 2
Answer:
2nd option
Step-by-step explanation:
let the number be n then 7 less than this number is n - 7 , so
n - 7 = 16
Answer:
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
Using the definition
n
= 
where n! = n(n - 1)(n - 2)..... 3 × 2 × 1
Then
7
=
=
← cancel out the multiples 6 ×5 × 4 × 3 × 2 × 1 , then
7
= 7