Question

Four times a number added to seven is 23 what is the number

Answer 1

The missing number equals -5/4.

Other ways of writing this include...

1. -1.25

2. -1 1/4

Explanation:

The equation used to solve this problem is...

4 * (x + 7) = 23

x: the missing number

1. Divide both sides by 4.

4 * (x + 7) / 4 = 23 / 4

2. Simplify.

x + 7 = 23 / 4

3. Subtract 7 from both sides.

x + 7 - 7 = 23/4 - 7

4. Simplify.

x = -5/4

Answer 2

4

Explanation:

We convert this word equation to a number equation, then work it out.

7+4x=23 Use 'x' for the number we want to find.

4x=16 Subtract 7 on both sides.

x=4 Divide both sides by 4