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What are the rules for having variables on both sides of the equation? -2y+5=-4y+7 I know the answer..i just cant understand why? thx

What are the rules for having variables on both sides of the equation? -2y+5=-4y+7 I know the answer..i just cant understand why? thx
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4 votes
What are the rules for having variables on both sides of the equation?

-2y+5=-4y+7

I know the answer..i just cant understand why?

thx

User Preetam Purbia
by
8.0k points

1 Answer

2 votes

-2y+5=-4y+7\\ 2y=2\\ y=1
User VarunVyas
by
8.1k points
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