s+1+2s-1+90=180

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Solution for s+1+2s-1+90=180 equation:



s+1+2s-1+90=180
We move all terms to the left:
s+1+2s-1+90-(180)=0
We add all the numbers together, and all the variables
3s-90=0
We move all terms containing s to the left, all other terms to the right
3s=90
s=90/3
s=30

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