8s+2s-9s=12

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Solution for 8s+2s-9s=12 equation: 


Simplifying
8s + 2s + -9s = 12

Combine like terms: 8s + 2s = 10s
10s + -9s = 12

Combine like terms: 10s + -9s = 1s
1s = 12

Solving
1s = 12

Solving for variable 's'.

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

Divide each side by '1'.
s = 12

Simplifying
s = 12

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