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When I calculated y-2y on the Web 2.0 CALC it came out to be -y..... How do you get that answer?? Help?

Guest Feb 25, 2017
 #1
avatar+92805 
0

y-2y  does equal  -y

 

What is your problem with that???

Melody  Feb 25, 2017
 #2
avatar+92805 
0

How do I get that answer ?

 

y-2y                         In front of the y is an invisable 1  or even +1      It is really 1*y

=1y-2y                    1y and -2y are like terms so you can add or subtract them together.

=(1-2)*y       

=-1y

=-y

 

Does that help?

Melody  Feb 25, 2017

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