MorganEdwardsA2005 MorganEdwardsA2005

11-01-2021
Mathematics

contestada

10
10. "three times the difference of a
number and 7 is 18"
how to set up problem

Respuesta :

yuzhouu yuzhouu

11-01-2021

Answer:

3(n-7)=18

Step-by-step explanation:

Let n equal the number

The difference of n and 7 is written as

(n-7)

Three times the difference of n and 7 is written as

3(n-7)

Now set the whole expression equal to 18

3(n-7) = 18

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