### Home > CC2 > Chapter Ch9 > Lesson 9.1.2 > Problem 9-39

9-39.

. Quintrell was writing a “Guess My Number” game. He decided to write the clues in a different way. He wrote, “*When 35 is added to my number, the answer is 4 times my original number plus 8. What is my number?*” Use the 5-D Process to find Quintrell’s number. Homework Help ✎

Using the 5-D Process, Define, Do, and then Decide for the expression, then Declare your answer.

Quintrell's Number = *x*

35 + *x* = 4*x* + 8

What is Quintrell's number?

Declare: Quintrell's number is 9. Be sure to know why.