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

1 Answer
Jobless
Apr 27, 2018

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

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