2s-4s=18

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Solution for 2s-4s=18 equation: 


Simplifying
2s + -4s = 18

Combine like terms: 2s + -4s = -2s
-2s = 18

Solving
-2s = 18

Solving for variable 's'.

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

Divide each side by '-2'.
s = -9

Simplifying
s = -9

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