-9s=-5(-s-3)-9s

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Solution for -9s=-5(-s-3)-9s equation:



-9s=-5(-s-3)-9s
We move all terms to the left:
-9s-(-5(-s-3)-9s)=0
We add all the numbers together, and all the variables
-9s-(-5(-1s-3)-9s)=0
We calculate terms in parentheses: -(-5(-1s-3)-9s), so:
-5(-1s-3)-9s
We add all the numbers together, and all the variables
-9s-5(-1s-3)
We multiply parentheses
-9s+5s+15
We add all the numbers together, and all the variables
-4s+15
Back to the equation:
-(-4s+15)
We get rid of parentheses
-9s+4s-15=0
We add all the numbers together, and all the variables
-5s-15=0
We move all terms containing s to the left, all other terms to the right
-5s=15
s=15/-5
s=-3

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