### Home > MC1 > Chapter 1 > Lesson 1.1.2 > Problem 1-14

1-14.

Maria was playing a game with her brother. She said, *"I'm thinking of a number. When you multiply my number by six and add seven you get . What is my number?" *Find Maria's number.

How big do you expect her number to be?

Can you think of a reasonable number to try?

Pick a reasonable number and try Maria's steps. Let's try

Can you think of a number that might work better? Try it!

Since

We now know that Maria's number is