Question

If 5x + 8 = 4, then 3x = ?​

Answer 1

Answer:

5x + 8 = 4

or, 5x = 4-8= -4

or, x = -4/5

therefore , 3* -4/5

= -12/5

Answer 2

5x+8=4

=>5x=4-8

=>x=-4/5

Now, 3x=3×-4/5

=-12/5 or, -2.4

Therefore, 3x=-2.4