Tuesday, May 23, 2006

Scribe for May 23rd!!

Today we learned about Solving Equation. We also solved lots of questions too.

Solving Equation.
To solve an equation we must have our "variable by it self". We need to move everyting else to the other side of the "=" sign.

4n = 16 => n = 14
Example Questions(We did about 15 questions but i will going to put 5 of them):
1) n + 3 = 10
n + 3 = 10 change the "+" sign to "-" sign
- 3 - 3
n = 7
2) -8 + n = 2
-8 + n =2 change the "-" sign to "+" sign
+8 +8
n = 10
3) 2n = 8
2n = 8 change the "x" sign to "÷" sign
÷2 ÷2
n = 4
4) n - 8 = 6
n - 8 = 6 change the "-" sign to "+" sign
+ 8 +8
n = 14
5) 3n + 1 = 10
3n + 1 = 10 change the "+" sign to "-" sign
- 1 -1 (If you divide 3n from 10, it will still work but it is an ugly way to do it.
3n = 9 If you divide 3n from 10, you have to work with "FRACTION")
9 ÷ 3 = 3
n = 3
Tomorrow's scribe is JAKE!! =P




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1 Comments:

At 1:16 PM, Blogger Mr. Reece said...

thank you Boeun

 

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