simaktz2979 simaktz2979

06-09-2014
Mathematics

Answered

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

Answer :

konrad509 konrad509

06-09-2014

[tex] -2y+5=-4y+7\\ 2y=2\\ y=1[/tex]

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