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​

1 answer
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​

Answers

Answer:3x+9=57; Chris is 16 years oldStep-by-step explanation:3x+9=57Move the Constant to the right3x=57-9Calculate3×=48Divide both sidesx= 16

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