To solve for x in the equation 0.4*(3x-0.8)+6.14=25.02, we first need to simplify the left side of the equation:

0.4*(3x-0.8) = 1.2x - 0.32

So now the equation becomes:

1.2x - 0.32 + 6.14 = 25.02

Combine the constants on the left side:

1.2x + 5.82 = 25.02

Subtract 5.82 from both sides:

1.2x = 19.2

Divide by 1.2:

x = 16

Therefore, the solution to the equation is x = 16.