SLA Rockets.........Class of 2011

Tuesday, December 18, 2007

Cancellation Method

5(3a+2a)=10+15
5(5a)=25
25a=25
25 25

a= 1

6(2x+1x)=21+15
6(3x) = 36
18x=36
18 18

x= 2
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