What is the value of the unknown number in the verbal description? 5 times the sum of 12 and a number is 80. a.28 b.16 c.1 d.4

D. 4

Step-by-step explanation:

Let the unknown number be x.

The given verbal description :  5 times the sum of 12 and a number is 80.

i.e.

To solve the above equation, first divide 5 on both sides of the equation, we get

Now, Subtract 12 on the both sides of the equation, we get

Hence, the unknown number is 4.

if im not mistaking its

step-by-step explanation: