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Positive and Negative Integers
Order of Operations
Substitution Property
Linear Equations
100

-12 - (6)

-18

100

4 × 7 + 19 × 11

237

100

x + 3y ; given x=9 and y=-2    

3

100

26 = 8 + v

v = 18

200

-8 + 10

2

200

(7 × 7) - 3 × 3

40

200

5-ab ; given a=4 and b=-3

17

200

x − 7 = 13

x = 20

300

-37- (-25)

-12

300

240 ÷ 8 - 2

28

300

8(x-y) ; given x=-5 and y=2

-56


300

14b = −56

b = -4

400

3 × -5

-15

400

6 × ( 7 + 4 ) - 7 × 7

17

400

yx ÷ 2 ; given x=7 and y=-4

-14

400

v ÷ 8 = 2

v = 16