Homework: September 21

QUIZ!!!!  Please time yourself.
You have 30 minutes to complete this quiz. 

Solve for X: SHOW YOUR WORK

1.    ( 7 + X ) + 9  = 28

2.   (3 + X ) + 11 = 19

3.   ( X – 4 ) – 15 = 34

4.   ( X – 13 ) + 19 = 79

5.   ( X * 9 ) = 63

6.   ( X * 7 ) + 10  = 31

7.   ( X * 4 ) – 12  = 20

Challenge:

( 17 – X ) – 6 = 3

(6² + 4) / 9 =

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