Question

Landyn's brother is five years older than Landyn. Their combined ages add up to 23. How old is Landyn?

The variable y represents: []
Equation: [] (Make sure to simplify this!)
Landyn is 9 years old.

Answer 1

X = 9
Landyn is 9 and his brother is 14

Explanation:

X + Y = 23
Y = X + 5
X + X + 5 = 23
2x + 5 + 23

- 5 - 5

2x / 2 = 18 / 2

Simplified = 9 / 1
Y = 9 + 5
Y = 14