-8(1+3s)=21

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Solution for -8(1+3s)=21 equation: 


Simplifying
-8(1 + 3s) = 21
(1 * -8 + 3s * -8) = 21
(-8 + -24s) = 21

Solving
-8 + -24s = 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 + -24s = 21 + 8

Combine like terms: -8 + 8 = 0
0 + -24s = 21 + 8
-24s = 21 + 8

Combine like terms: 21 + 8 = 29
-24s = 29

Divide each side by '-24'.
s = -1.208333333

Simplifying
s = -1.208333333

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