SOLUTION: Group the terms with variables on one side of the equal sign, and simplify. -7s + 12 = -9s

Algebra ->  Equations -> SOLUTION: Group the terms with variables on one side of the equal sign, and simplify. -7s + 12 = -9s      Log On


   

Question 868358: Group the terms with variables on one side of the equal sign, and simplify.
-7s + 12 = -9s
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Add 7s to both sides to get


-7s + 12 = -9s


-7s + 12 +7s = -9s +7s


12 = -2s


Notice how the -7s and the +7s on the left side add to 0s or just 0 (and it goes away).