Problem:

Nathan is 6 more than three times old as his brother, Cristan if the sum of their ages is 38. Find their present ages.

Solution:

In representation,

Let x be the Cristan's age

Then, let 6 + 3x be the Nathan's age

The sum of their ages is 38

• Cristan's age + Nathan's age = 38
• x + (6 + 3x) = 38

Solve the value of x to the problem equations.

• x + (6 + 3x) = 38
• 4x + 6 = 38
• 4x = 38 - 6
• 4x = 32/4
• x = 8

If the value of x is 8, then substitute the Nathan's age in the equation to find the age.

• 6 + 3x
• 6 + 3(8)
• 6 + 24
• 30

Answer:

• Therefore, the present age of Cristan is 8 years old and Nathan is 30 years old.

#CarryOnLearning

Answer:

nathan is 22

Cristian is 16

Step-by-step explanation:

hope it helps pa brainliest