20-7-2s=-3-s

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Solution for 20-7-2s=-3-s equation: 



20-7-2s=-3-s

We move all terms to the left:

20-7-2s-(-3-s)=0

We add all the numbers together, and all the variables

-2s-(-1s-3)+20-7=0

We add all the numbers together, and all the variables

-2s-(-1s-3)+13=0

We get rid of parentheses

-2s+1s+3+13=0

We add all the numbers together, and all the variables

-1s+16=0

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

-s=-16

s=-16/-1

s=+16

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