3.4y+1.6s-(-1.9y)-3.6s=0

Solution for 3.4y+1.6s-(-1.9y)-3.6s=0 equation:

Simplifying
3.4y + 1.6s + -1(-1.9y) + -3.6s = 0

Remove parenthesis around (-1.9y)
3.4y + 1.6s + -1 * -1.9y + -3.6s = 0

Multiply -1 * -1.9
3.4y + 1.6s + 1.9y + -3.6s = 0

Reorder the terms:
1.6s + -3.6s + 3.4y + 1.9y = 0

Combine like terms: 1.6s + -3.6s = -2s
-2s + 3.4y + 1.9y = 0

Combine like terms: 3.4y + 1.9y = 5.3y
-2s + 5.3y = 0

Solving
-2s + 5.3y = 0

Solving for variable 's'.

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

Add '-5.3y' to each side of the equation.
-2s + 5.3y + -5.3y = 0 + -5.3y

Combine like terms: 5.3y + -5.3y = 0.0
-2s + 0.0 = 0 + -5.3y
-2s = 0 + -5.3y
Remove the zero:
-2s = -5.3y

Divide each side by '-2'.
s = 2.65y

Simplifying
s = 2.65y