25 less than 6 time a number is 107. What is the number? How do you do that?

25 less than 6 times a number becomes,

6x - 25 = 107

+ 25 + 25

6x = 132

6x / 6 = 132 / 6

x = 22

Less than is another way to say minus and is is another way to say equals and times is self-explanatory.