1.5-1.2-s=0.5

Solution for 1.5-1.2-s=0.5 equation:

Simplifying
1.5 + -1.2 + -1s = 0.5

Combine like terms: 1.5 + -1.2 = 0.3
0.3 + -1s = 0.5

Solving
0.3 + -1s = 0.5

Solving for variable 's'.

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

Add '-0.3' to each side of the equation.
0.3 + -0.3 + -1s = 0.5 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + -1s = 0.5 + -0.3
-1s = 0.5 + -0.3

Combine like terms: 0.5 + -0.3 = 0.2
-1s = 0.2

Divide each side by '-1'.
s = -0.2

Simplifying
s = -0.2