s/2+-12=-20

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Solution for s/2+-12=-20 equation: 



s/2+-12=-20

We move all terms to the left:

s/2+-12-(-20)=0

We add all the numbers together, and all the variables

s/2+8=0

We multiply all the terms by the denominator


s+8*2=0

We add all the numbers together, and all the variables

s+16=0

We move all terms containing s to the left, all other terms to the right

s=-16

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