Thursday
July 30, 2015

Homework Help: Algebra

Posted by Bajisha on Sunday, September 27, 2009 at 3:34pm.

I'm trying to learn the difference between conditional and identity equations. Can you please check my work??

12). 3(x+2)=5x+4. I said conditional because on the one side x needed to equal negative two while on the other, it needed to equal -.8.

15). (4x+1)-2x=2(x+2) I said identity.
18). x^2+2(3x-2)=x^2+6x-4. I said Conditional, out of more of a guess than actual information. I reduced it to x^2+x=.60, but I was unsure how to figure out the left side of the reduction. Could you explain this??


Thanks!!!

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