Equations With One Variable

7 times a number a is 42.

• 7a = 42

• 7 + a = 42

• 7/a = 42

• 7 - a = 42

Solve for x

x + 4 = 10

• 2

• 6

• 10

• 11

4 is the quotient of 16 and a number n.

• 4 = 16n

• 4 = 16/n

• 4 = 16 + n

• 4 = 16 - n

The sum of a number k and 5 is 11.

• 5k = 11

• 5 - k =11

• 5/k = 11

• 5 + k = 11

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Type answer as an improper fraction.

Mathematical Equivalence

ON

Mathematical Equivalence

ON

The difference of a number x and 2 is 7.

• x - 2 = 7

• x + 2 = 7

• 2x = 7

• 2/x = 7