by
Weixiao Li
October, 2003
To be a scientist, you need to know math. Ready for some pratice?
Simple Math Quiz: Combine terms
- (4-3x)-3+(4x+6)
- x(2-x+x)-3x+5
- 6x+7-(5x-11)
- 8x-11+y-5+y-x+2
- 7-x+12y-5x-7+6x
- 3(6+4x-5y)-9-12x-15y-9
- 3+23-5x-6y-26+6x+6y
- 3(x+y-1)-(3x+3y+3)
- 6-(4x+7y+z)-(-x+y+y)
- z-y-x+z-z+y-x+z-x
Answers to the quiz