Solving equations

One step

100

6x = 12

x= 2

200

x + (-2) = -1

x = 1

300

n/8 = 74.92

x = 599.36

400

x + (-8) = -27

x = -19

500

x - 18 = -42

x = -24

Two step

100

4x - 5 = 15

x = 5

200

8m + (-6) = 10

m =2

300

7x - 10 = 32

x= 6

400

7x + 49 = 161

x = 30

500

A small child named Billy has an unknown amount of cds with the hit song 'Billy Jean'. Out of jealousy, 42nd President of the United States steals 2/3 of his cds. If his whole collection contains 852 minutes of music and the remaining 1/3 contains 284 minutes, how many cds does Billy have? *Hint* 2x/3 = 852 - 284

x = 852

Distribution

100

4(-7 +5x)

-28 + 20x

200

3(x - 7) = 9

x = 10

300

10(1 -4m)

10 - 40m

400

3(5 + 5n) = 30

x = 1

500

(11p + 3) *2 = 72

x = 3

Negative variables

100

-x = 18

x = -18

200

-2v = 72

v = - 36

300

-3(b + 6)

-3b -18

400

z/-40 + (-16) = -20

z = 1/10

500

x/-5 + 12 = -16

x = 140

Mystery

100

What's the 151 pokemon?

Mewtwo

200

슈렉이란?

슈렉은 삶

300

What is the name of the hamster?

Alfredo Jolie

400

What tree-based mammal is faster in water than on land?

A sloth

500

What is the name of Mr Benoit's favourite student?

If you put your name, you are wrong