Which line shows the first error in the solution?

http://lv.k12.com/mediaFiles/Ninth_Grade/Math/Unit15164/Lesson64989/05_06_LQ_03.gif

A.
Line 1

B.
Line 2

C.
Line 3

D.
Line 4

I think its A

Question

Which line shows the first error in the solution?


http://lv.k12.com/mediaFiles/Ninth_Grade/Math/Unit15164/Lesson64989/05_06_LQ_03.gif



 
 A.
Line 1
 
 B.
Line 2
 
 C.
Line 3
 
 D.
Line 4



I think its A

anonymous · Answer

The answer is D. If you want to eliminate x/3, you must multiply it by its reciprocal, which is 3/x. Line 4 multiplied x/3 by 3, not 3/x. Hopefully you understand. If not, I'll try to clarify. :)

anonymous · Answer

Thanks for the medal! Can you please help me on a problem? http://openstudy.com/study#/updates/534319b4e4b06c293eccf437

linn99123 · Answer

i honestly think i get it then i dont get it its pretty messy D:

anonymous · Answer

My answer?

linn99123 · Answer

No these erro anlyses thing

anonymous · Answer

Oh okay.