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-20+9+14s=-2(-7s-3)
We move all terms to the left:
-20+9+14s-(-2(-7s-3))=0
We add all the numbers together, and all the variables
14s-(-2(-7s-3))-11=0
We calculate terms in parentheses: -(-2(-7s-3)), so:We get rid of parentheses
-2(-7s-3)
We multiply parentheses
14s+6
Back to the equation:
-(14s+6)
14s-14s-6-11=0
We add all the numbers together, and all the variables
-17!=0
There is no solution for this equation
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