SOLUTION: -20=4x-6x

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Question 173325: -20=4x-6x
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
-20=4X-6X
-20=-2X
X=-20/-2
X=10 ans.
Proof:
-20=4*10-6*10
-20=40-60
-20=-20