Writing Expressions with Variables

7 less than X

• X - 7
• X + 7
• 7X
• 7 - X

4 more than a number

• 4 - X
• 4 + X
• 4/X
• 4X

3 times a number

• 3/X
• 3X
• 3 + X
• 3 - X

X divided by 5

• 5X
• 5/X
• X/5

The product of 6, 7, and X

• X - 6 - 7
• 6 + 7 + X
• 6 (7x)
• X/ 6 + 7

2 times the sum of 8 and X

• 2 (8 + X)
• 2X + 8

34 decreased by 2 time a number

• 34 - 2X
• 2X -34
• 34X -2
• 2 - 34X