-[2s(5-9)+3(s+1)-4]=

Solution for -[2s(5-9)+3(s+1)-4]= equation:

Simplifying
-1[2s(5 + -9) + 3(s + 1) + -4] = 0

Combine like terms: 5 + -9 = -4
-1[2s(-4) + 3(s + 1) + -4] = 0

Reorder the terms for easier multiplication:
-1[2 * -4s + 3(s + 1) + -4] = 0

Multiply 2 * -4
-1[-8s + 3(s + 1) + -4] = 0

Reorder the terms:
-1[-8s + 3(1 + s) + -4] = 0
-1[-8s + (1 * 3 + s * 3) + -4] = 0
-1[-8s + (3 + 3s) + -4] = 0

Reorder the terms:
-1[3 + -4 + -8s + 3s] = 0

Combine like terms: 3 + -4 = -1
-1[-1 + -8s + 3s] = 0

Combine like terms: -8s + 3s = -5s
-1[-1 + -5s] = 0
[-1 * -1 + -5s * -1] = 0
[1 + 5s] = 0

Solving
1 + 5s = 0

Solving for variable 's'.

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

Add '-1' to each side of the equation.
1 + -1 + 5s = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 5s = 0 + -1
5s = 0 + -1

Combine like terms: 0 + -1 = -1
5s = -1

Divide each side by '5'.
s = -0.2

Simplifying
s = -0.2