-6.5(4s+6)-1.6(2s-4)=

Solution for -6.5(4s+6)-1.6(2s-4)= equation:

Simplifying
-6.5(4s + 6) + -1.6(2s + -4) = 0

Reorder the terms:
-6.5(6 + 4s) + -1.6(2s + -4) = 0
(6 * -6.5 + 4s * -6.5) + -1.6(2s + -4) = 0
(-39 + -26s) + -1.6(2s + -4) = 0

Reorder the terms:
-39 + -26s + -1.6(-4 + 2s) = 0
-39 + -26s + (-4 * -1.6 + 2s * -1.6) = 0
-39 + -26s + (6.4 + -3.2s) = 0

Reorder the terms:
-39 + 6.4 + -26s + -3.2s = 0

Combine like terms: -39 + 6.4 = -32.6
-32.6 + -26s + -3.2s = 0

Combine like terms: -26s + -3.2s = -29.2s
-32.6 + -29.2s = 0

Solving
-32.6 + -29.2s = 0

Solving for variable 's'.

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

Add '32.6' to each side of the equation.
-32.6 + 32.6 + -29.2s = 0 + 32.6

Combine like terms: -32.6 + 32.6 = 0.0
0.0 + -29.2s = 0 + 32.6
-29.2s = 0 + 32.6

Combine like terms: 0 + 32.6 = 32.6
-29.2s = 32.6

Divide each side by '-29.2'.
s = -1.116438356

Simplifying
s = -1.116438356