S+21/2s+20=5

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Solution for S+21/2s+20=5 equation: 



+21/2S+20=5

We move all terms to the left:

+21/2S+20-(5)=0



Domain of the equation: 2S!=0

S!=0/2

S!=0

S∈R



We add all the numbers together, and all the variables

21/2S+15=0

We multiply all the terms by the denominator


15*2S+21=0

Wy multiply elements

30S+21=0

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

30S=-21

S=-21/30

S=-7/10

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