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A student was asked to do the follow math problem:  What is the Error in this Problem?

-2(7-y)+4=-4

-14-2y+4=-4

-10-2y=-4

-2y=6

What is the Error in this Problem?

P.S. Stay cool My friends

 Oct 16, 2014

Best Answer 

 #1
avatar+23254 
+5

In the first step, when the student distributed the -2 with the 7 - y, multiplying -2 times -y should be + 2y.

 Oct 16, 2014
 #1
avatar+23254 
+5
Best Answer

In the first step, when the student distributed the -2 with the 7 - y, multiplying -2 times -y should be + 2y.

geno3141 Oct 16, 2014

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