Writing Equations with One Variable

Front

7 times a number a is 42.

Back

7a = 42

Front

4 is the quotient of 16 and a number n.

Back

4 = 16/n

Front

A number z divided by 7 equals 4.

Back

z/7 = 4

Front

6 is one-third of a number s.

Back

6 = 1/3s

Front

The sum of a number k and 5 is 11.

Back

5 + k = 11

Front

The difference between a number m and 3 is 7.

Back

m - 3 = 7

Front

Twice a number p is equal to 20.

Back

2p = 20

Front

The product of a number q and 5 is 45.

Back

5q = 45

Front

A number r decreased by 4 equals 10.

Back

r - 4 = 10

Front

The sum of 8 and a number t is 15.

Back

8 + t = 15