Question

X is three years younger than Y. If Y is "a "years old, how old will X be after 5 yrs. ​

Answer 1

Step-by-step explanation:

X = Y + 12

X = Y + 12X + 5 = 2 (Y - 4) = 2Y - 8

X = Y + 12X + 5 = 2 (Y - 4) = 2Y - 8Y + 12 + 5 = 2Y - 8

X = Y + 12X + 5 = 2 (Y - 4) = 2Y - 8Y + 12 + 5 = 2Y - 8X = 37 years old

X = Y + 12X + 5 = 2 (Y - 4) = 2Y - 8Y + 12 + 5 = 2Y - 8X = 37 years oldY = 25 years old

Answer 2

$X = Y + 12 \\ </p><p></p><p>X + 5 = 2 (Y - 4) = 2Y - 8 \\ </p><p></p><p>Y + 12 + 5 = 2Y - 8 \\ </p><p></p><p>X = 37 years old \\ </p><p></p><p>Y = 25 years old \\ </p><p></p><p>$