Question

0.4x-0.5/0.3x+0.2=2/5​

Answer 1

Answer:

2.07

Step-by-step explanation:

0.4x - 0.5 / 0.3x + 0.2 = 2/5

5(0.4x - 0.5) = 2(0.3x + 0.2)

2x - 2.5 = 0.6x + 0.4

2x - 0.6x = 0.4 + 2.5

1.4x = 2.9

x = 2.9/1.4

x = 2.07