Question

What is the value of x in the equation , when ?

4.6
8.4
10
12

Answer 1

B) 8.4..............

Answer 2

x=8.4

Explanation:

4x + 8 (0.8) = 40

4x = 40 - 6.4

4x = 33.6

x = 33.6/ 4

x= 8.4