Posted by **lashon** on Wednesday, January 27, 2010 at 5:23pm.

evaluate a-13 when a =33 evaluate 3x+2y-2z when x =5 y=2 z=1 evaluate 6a+4b-3c when a=4 b=7 c-2

- algebra -
**daniel**, Wednesday, January 27, 2010 at 6:15pm
a-13whena=13.so33-13=20 that's the ans 3x+2y-2zwhenx=5,y=2,z=1.so3(5)+2(2)-2(1)=17

- algebra -
**MARC**, Wednesday, January 30, 2013 at 9:58pm
Find the greatest common factor of 6a

3

b

2

c

10

+ 20c

10

– 8a

3

b

2

c

9

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