### Home > MC2 > Chapter 5 > Lesson 5.1.2 > Problem5-22

5-22.

Translate each of these situations into a variable expression such as those found in a magic number chart.

1. Think of a number and multiply it by seven.

Use $x$ to represent any number you think of.

What would the expression look like if you multiplied your number by $7$?

$7x$

2. Think of a number and divide it by eight.

See (a).

3. Think of a number and reduce it by ten.

What happens to a number when you reduce it by $10$?

See (a).

4. Think of a number, add two, then multiply by five.

See (a).

$5 ( x + 2 )$