Question

Nine Increased by the product of a number and 4 is greater than or equal to -15

Use the variable y for the unknown number

Answer 1

9+4y ≥ -15

y ≥ -6

Explanation:

Nine Increased by the product of a number

9+4y

is greater than or equal to -15

9+4y ≥ -15

Subtract 9 from each side

9-9+4y ≥ -15-9

4y ≥ -24

Divide by 4

4y/4 ≥ -24/4

y ≥ -6