Posted by Anonymous on Thursday, January 31, 2013 at 5:50pm.
20-(12-x)=38
8 - x = 38
x = -30
I'll be glad to check your answer for the second problem.
5(3c-c)+3=43
(15c-5c)+3=48
-3 -3
---------------
15c-5c= 45
+5 +5
---------------
15c = 45
c=3
5(3c-c)+3=43
15c - 5c + 3 = 43
10c = 43 - 3
10c = 40
c = 4
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