Question

2. If 5x + 8 = 4, then 3x = ?
please answer guys​

Answer 1

3x = -2 2/5 or -2.4

Explanation:

5x + 8 = 4

5x = 4 - 8

5x = -4

x = -4/5

3x = y If x = -4/5

3 * -4/5 = y

-12/5 = y

-2 2/5 = y

Answer 2

5x + 8 = 4
5x = -4
x = -4/5
3(-4/5) = -2.4
Solution: 3x = -2.4