2s+-5=-7

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Solution for 2s+-5=-7 equation: 



2s+-5=-7

We move all terms to the left:

2s+-5-(-7)=0

We add all the numbers together, and all the variables

2s+2=0

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

2s=-2

s=-2/2

s=-1

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