Posted by Anonymous on Thursday, January 31, 2013 at 5:50pm.
20(12x)=38
and
5(3cc)+3=43

math8  Ms. Sue, Thursday, January 31, 2013 at 5:58pm
20(12x)=38
8  x = 38
x = 30
I'll be glad to check your answer for the second problem.

math8  Anonymous, Thursday, January 31, 2013 at 6:50pm
5(3cc)+3=43
(15c5c)+3=48
3 3

15c5c= 45
+5 +5

15c = 45
c=3

math8  Ms. Sue, Thursday, January 31, 2013 at 7:03pm
5(3cc)+3=43
15c  5c + 3 = 43
10c = 43  3
10c = 40
c = 4
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