+0  
 
+5
78
2
avatar

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
Sort: 

2+0 Answers

 #1
avatar+90548 
0

y-2y  does equal  -y

 

What is your problem with that???

Melody  Feb 25, 2017
 #2
avatar+90548 
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

14 Online Users

avatar
avatar
avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details