# math8

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20-(12-x)=38

and

5(3c-c)+3=43

• math8 -

20-(12-x)=38

8 - x = 38

x = -30

• math8 -

5(3c-c)+3=43

(15c-5c)+3=48
-3 -3
---------------
15c-5c= 45
+5 +5
---------------
15c = 45

c=3

• math8 -

5(3c-c)+3=43

15c - 5c + 3 = 43

10c = 43 - 3

10c = 40

c = 4

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