Posted by **Anonymous** on Thursday, January 31, 2013 at 5:50pm.

20-(12-x)=38

and

5(3c-c)+3=43

- math8 -
**Ms. Sue**, Thursday, January 31, 2013 at 5:58pm
20-(12-x)=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(3c-c)+3=43

(15c-5c)+3=48

-3 -3

---------------

15c-5c= 45

+5 +5

---------------

15c = 45

c=3

- math8 -
**Ms. Sue**, Thursday, January 31, 2013 at 7:03pm
5(3c-c)+3=43

15c - 5c + 3 = 43

10c = 43 - 3

10c = 40

c = 4

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