Question

Ace's brother is 9 years older than three times his age. the sum of their ages is 57 .how old is Chris?

show me your equation and answer​

Answer 1

3x+9=57; Chris is 16 years old

Explanation:

3x+9=57

Move the Constant to the right

3x=57-9

Calculate

3×=48

Divide both sides

x= 16