-8(1-5s)=-21

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Solution for -8(1-5s)=-21 equation: 


Simplifying
-8(1 + -5s) = -21
(1 * -8 + -5s * -8) = -21
(-8 + 40s) = -21

Solving
-8 + 40s = -21

Solving for variable 's'.

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

Add '8' to each side of the equation.
-8 + 8 + 40s = -21 + 8

Combine like terms: -8 + 8 = 0
0 + 40s = -21 + 8
40s = -21 + 8

Combine like terms: -21 + 8 = -13
40s = -13

Divide each side by '40'.
s = -0.325

Simplifying
s = -0.325

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