Expression and Equations Review

Equations Pt. 2

100

3y = 18

y = 6

200

a/6 = 4

a = 24

300

-9x = 27

x = -3

400

t/-10 = 16

t = -160

500

-84 = -7k

k = 12

Adding/Subtracting Integers

100

7+16

23

200

-9+-18

-27

300

17+-19

-2

400

7- (-18)

25

500

-125 - (-17)

-108

Multiplying Integers

100

13 x 5

65

200

-4 x -5

20

300

-8 x 9

-72

400

(-3) x (4) x (2)

-24

500

(-2) x (4) x (-3) x (5)

120

Substitution

100

X + 6

When X = 14

20

200

Y - (-7)

When Y= 15

22

300

2a + (-5)

When a = 6

7

400

(X)² + Z=

When X = -7 and Z= -13

36

500

C³ - 3c + (-7)

When c = 4

45

Equations Pt. 1

100

y+7= 16

y= 11

200

x - 7 = -16

X= -9

300

13 + Y = -5

Y=-18

400

c + 5 = -12

C= -17

500

x + 13 + 6 = -1

X= -20