Question

Jillian is 5 years old. She has an older brother whose age is represented by the expression 2x+3, where x represents Jillian's age. How old is her brother?

Answer 1

7

Explanation:

2x2 = 4+3=7 so her brother is 7

Answer 2

13

Explanation:

2(5) = 10, +3 = 13 years old,, just use order of operations and plug in jillians age for the x