Solve the equation. How old is Sam? Sam's age doubled plus 5 is the same as Sam's age tripled minus 1. Question 5 options: Sam is 6yrs old. Sam is 4 yrs old. Sam is 12 yrs old. Sam is 5 yrs old.\\@Mochimin

Mathematics · High School · Thu Feb 04 2021

Answered on

Let Sam's age be x years

Then, according to question:

2x + 5 = 3x - 1

Transposing 2x and -1 to other sides, we get

3x - 2x = 5 + 1

x = 6

 

Thus, Sam's age is 6 years