Math C 5th Period Review

Multiply

100

36 x 12

432

200

4x, when x=12

48

300

12(5) x 2

120

400

4/5 x 12

48/5

500

4x + 3x, when x = 13

91

What do I do first?

100

x+1=4

What do I do first?

Subtract 1 from both sides.

200

x-45=90

What do I do first?

Add 45 to both sides.

300

x-90=90

What do I do first?

Add 90 to both sides. 

400

25x=75

What do you do first?

Divide both sides by 25.

500

x/8=40

What do you do first?

Multiply by 8 on both sides.

Single Variable Equations

100

4 + x = 17

x = 13

200

x - 6 = 31

x = 37

300

2x = 54

x = 27

400

2x + 4 = 10

x = 3

500

x - 9 = -3

x = 6

Order of Operations

100

4(9 - 3) x 2

48

200

(4 + 3 x 4) - (8 x 2 - 10)

10

300

4 + 3²

13

400

2(20 - 4²)

8

500

2³ + 3² + 4(4 + 5²)

133