7(-s-2)-(s-5)=31

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Solution for 7(-s-2)-(s-5)=31 equation:


7(-s-2)-(s-5)=31

We simplify the equation to the form, which is simple to understand 
7(-s-2)-(s-5)=31

Reorder the terms in parentheses
+(-7s-14)-(s-5)=31

Remove unnecessary parentheses
-7s-14-(+s-5+)=+31

Remove unnecessary parentheses
-7s-14-1s+5=31

We move all terms containing s to the left and all other terms to the right. 
-7s-1s=+31+14-5

We simplify left and right side of the equation. 
-8s=+40

We divide both sides of the equation by -8 to get s. 
s=-5

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