0.4-2+3(s-11)=50

Solution for 0.4-2+3(s-11)=50 equation:

Simplifying
0.4 + -2 + 3(s + -11) = 50

Reorder the terms:
0.4 + -2 + 3(-11 + s) = 50
0.4 + -2 + (-11 * 3 + s * 3) = 50
0.4 + -2 + (-33 + 3s) = 50

Combine like terms: 0.4 + -2 = -1.6
-1.6 + -33 + 3s = 50

Combine like terms: -1.6 + -33 = -34.6
-34.6 + 3s = 50

Solving
-34.6 + 3s = 50

Solving for variable 's'.

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

Add '34.6' to each side of the equation.
-34.6 + 34.6 + 3s = 50 + 34.6

Combine like terms: -34.6 + 34.6 = 0.0
0.0 + 3s = 50 + 34.6
3s = 50 + 34.6

Combine like terms: 50 + 34.6 = 84.6
3s = 84.6

Divide each side by '3'.
s = 28.2

Simplifying
s = 28.2