two less than 3 times a number is the same as the number plus 10

Question

 whats the answer

Answer 1

n represents the number

3 times a number: 3n

two less than 3 times a number: 3n - 2

is: =

number plus 10: n + 10

 

3n - 2 = n + 10        add 2 to both sides

3n = n + 10             subtract n from both sides

2n = 10                   divide both sides by 2

n = 5

 

The number is five.