Question

How do you write six less than seven times a number is equal to -20 as an equation? What is the number?

Answer 1

`7x-6=-20`
`x=-2`

Explanation:

Let the number be x.
7 times a number is 7x.
6 less than that number will be 7x-6.
It is given that this number (7x-6) is equal to -20.
Solving for x ,
7x=-14
x=`-14/7`
x=`-2`