-s(4r-8)=-36

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Solution for -s(4r-8)=-36 equation: 


Simplifying
-1s(4r + -8) = -36

Reorder the terms:
-1s(-8 + 4r) = -36
(-8 * -1s + 4r * -1s) = -36

Reorder the terms:
(-4rs + 8s) = -36
(-4rs + 8s) = -36

Solving
-4rs + 8s = -36

Solving for variable 'r'.

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

Add '-8s' to each side of the equation.
-4rs + 8s + -8s = -36 + -8s

Combine like terms: 8s + -8s = 0
-4rs + 0 = -36 + -8s
-4rs = -36 + -8s

Divide each side by '-4s'.
r = 9s-1 + 2

Simplifying
r = 9s-1 + 2

Reorder the terms:
r = 2 + 9s-1

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