Expressions and Equations!!!

Miscellaneous

100

A letter used to represent an unknown number

A variable

200

The opposite of addition

Subtraction

300

Is math awesome?

Yes!!!

400

The four basic operations

What are addition, subtraction, multiplication, and division?

500

A number right in front of a variable

Coefficient

Factoring

100

3x + 21

3(x+7)

200

5x - 25

5(x-5)

300

-4x - 16

-4(x + 4) 

400

6y + 2z

2(3y + z)

500

3x + 9xy + 24xyz

3x(1 + 3y + 8yz)

2-step Equations

100

3a - 5 = 4

a=3

200

2k + 5 = 17

k=6

300

21q - 39 = 234

q=13

400

y/9 - 18 = 52

y=630

500

g/11 + 37 = 128

g=1188

Variables on both sides!

100

3x - 4 = 7x + 16

x=-5

200

4x + 3 = -2x + 6

x=3/2

300

2(x + 4) = 2(x + 4)

Infinitely many solutions

400

6x + 22 = 2x + 2

x=-5

500

3x + 5 = 3x - 9

No solution!

Simplifying

100

1 - 5x + 2x - 3

-3x-2

200

3(x - 2) + 4x

7x-6

300

5x + 3 - 7x - 9

-2x - 6