Identify and explain the errors and make the necessary corrections in each of the following answers done by a student 6x+12=10x-4 16x=-16 x=-1 4(2x-1)=7x+4 8x-1=7x+4 8x-7x=4+1 x=5
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Originally Posted by LOL Identify and explain the errors and make the necessary corrections in each of the following answers done by a student 6x+12=10x-4 16x=-16 x=-1 4(2x-1)=7x+4 8x-1=7x+4 8x-7x=4+1 x=5 a) $\displaystyle 6x-10x=-4-12$ $\displaystyle -4x=-16$ b)The left hand side of the second line should be $\displaystyle 8x-4$
Last edited by VonNemo19; Jun 17th 2009 at 08:59 PM. Reason: made a real bad boo boo
Originally Posted by VonNemo19 a) $\displaystyle 6x-10x=-4-12$ $\displaystyle -16x=-16$ Oops! 6x+12=10x-4 -4x = -16 x = 4 01
Originally Posted by yeongil Oops! 6x+12=10x-4 -4x = -16 x = 4 01 Unbelievable...................................... ......................
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