s*2+1=4

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Solution for s*2+1=4 equation: 



s*2+1=4

We move all terms to the left:

s*2+1-(4)=0

We add all the numbers together, and all the variables

s*2-3=0

Wy multiply elements

2s-3=0

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

2s=3

s=3/2

s=1+1/2

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