Answer:

Step-by-step explanation:

4x-30/10x-9=0.05/0.25

4x-30/10x-9 = 0.2

4x - 30 = 2x - 1.8

2x = 28.2

x = 14.1

Checking:

Left side =

4(14.1) - 30 /  10*14.1 - 9

= 26.4 / 132

= 0.2

Right side =

0.05 / 0.25

= 0.2.

So, this confirms the result.