Question

Nine less than the product of 8 and a number is 5

Answer 1

Number = 1/2

Explanation:

9 - 8a = 5

9 - 5 = 8a

4 = 8a

4/8 = a

a = 1/2

Check:

9 - 8*1/2 = 5

9 - 4 = 5

Answer 2

1.75

Explanation:

1. Algebraic equation: 8x - 9 = 5

2. Add 9 on both sides; 8x=14

3. Divide both sides by 8

4. x=1.75