0.4[2s+4]=4.8

Solution for 0.4[2s+4]=4.8 equation:

Simplifying
0.4[2s + 4] = 4.8

Reorder the terms:
0.4[4 + 2s] = 4.8
[4 * 0.4 + 2s * 0.4] = 4.8
[1.6 + 0.8s] = 4.8

Solving
1.6 + 0.8s = 4.8

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '-1.6' to each side of the equation.
1.6 + -1.6 + 0.8s = 4.8 + -1.6

Combine like terms: 1.6 + -1.6 = 0.0
0.0 + 0.8s = 4.8 + -1.6
0.8s = 4.8 + -1.6

Combine like terms: 4.8 + -1.6 = 3.2
0.8s = 3.2

Divide each side by '0.8'.
s = 4

Simplifying
s = 4