- (remove 3 bars) = 
- (remove 1 bar) =
- (remove 2 bars) = Subraction of like terms is just as easy:
| 4x - 3x = | x | - (remove 3 bars) = |
|
| 2y2 - y2 = | y2 | - (remove 1 bar) = |
|
| 5z3 - 2z3 = | 3z3 | - (remove 2 bars) = |
|
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© 2003 - 2005 by Charlotte Meyer