SOLUTION: Don't remember what to do next... How do i change -y to y in this equation? 2x-y=4

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Question 533572: Don't remember what to do next... How do i change -y to y in this equation?
2x-y=4
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
multiply both sides by -1