The first one is n-(-8)=21 and this is how I did it:
sorry if the picture is not that good but I got this wrong because I forgot to change the negative sign into Positive sign so I got the whole Equation wrong>For the second one what I got wrong is -9+6=n+2n (sorry if I got this one wrong please free to leave a comment behind if it's wrong:)
I got this one wrong because I forgot that you need to do combining like terms
For the last one is n-3n=18
I don't really know how to explain how I got this wrong it's hard but this is the correct one.In class we have to correct everything that we got wrong for the test then he explain how to do chapter 3 of The Great Big Book of Algebra you just have to explain everything from one step in the colour coding booklet without using pictures. And for tomorrow you have to bring A camera that can do movies or something to start chapter 4 and you're suppose to be in Groups by 3.For the nest scribe I choose Jonathan (if haven't picked yet)
great sribe and we did the same last question i think, i couldnt figure what the answer was so i asked my mom to help me and yea she just guided me through the question and let me finish it off, anyways great scribe xD
January 14, 2009 at 8:24 PM