Question

Write and solve an equation to find the number n. The difference of three times a number and 4 is -19.

Answer 1

-5

Explanation:

Let n be the unknown number

difference is subtraction

3n -4 = -19

Add 4 to each side

3n-4+4 = -19+4

3n = -15

Divide by 3

3n/3 = -15/3

n = -5