SOLUTION: How do you get rid of a negative X if it is part of the answer? EX: Y-12=2Y-4 +12= +12 Y= 2Y+8 -2Y =(-2Y) -Y=8 I know the

Algebra ->  Inverses -> SOLUTION: How do you get rid of a negative X if it is part of the answer? EX: Y-12=2Y-4 +12= +12 Y= 2Y+8 -2Y =(-2Y) -Y=8 I know the      Log On


   

Question 851728: How do you get rid of a negative X if it is part of the answer?
EX: Y-12=2Y-4
+12= +12
Y= 2Y+8
-2Y =(-2Y)
-Y=8
I know the answer is -8 but how did they just switch sides?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply both sides by (-1).
%28-1%29%28-Y%29=%28-1%298
Y=-8