Basic Letters Represent Numbers Algebra

7 less than a number d

• 7 - d

• d - 7

The sum of 6 and x

• x + 6

• 6/x

• x + 4

• 6x

The total of b and 14 

• 14 - b

• 14/b

• 14 + b 

• b - 14 

take 10 away from s 

• 10 - s 

• s + 10

• s - 10

• s/10

7g + 5 + 6g  - 3

• 13g - 3

• 12g + 5

• 13g + 2

• 13g - 2

7 + 9b + 3b

• 16b + 3b

• 12b + 7

• 27b + 7

• 6b + 7

4 + N = 8, What is N

• 2

• 3

• 4

• 5

N + 6= 12, What is N

• 4

• 5

• 6

• 7

14 - Z = 5 , Z = ?

• 9

• 10

• 11

• 12