Vocabulary
Variables on One Side
Variables on Both Sides
Distribution
Combining Like Terms
100
This type of math problem has no equal sign.
Expression
100

2x + 1 = 5

x=2
100

3x + 2 = x + 10

x = 4

100

Simplify:

3(x+2)

3x + 6

100

Simplify :

x + 2x

3x

200
This type of math problem has an equal sign.
Equation
200

x/3 - 4 = 11

x=45

200

5x - 3 = 2x + 9

x = 4

200

Simplify

-4 (m + 9)

-4m - 36

200

Simplify:

3x - 9x

-6x

300
Another word for numbers used in expressions and equations
Constant
300

-2x - 5 = 11

x=-8

300

2(3x - 1) = 4x + 4

x = 3

300

Simplify :

- (x + 5)

-x - 5

300

Simplify:

10x + 7 -4x + 15

6x + 22

400
Another word for the letters used in expressions and equations.
Variable
400

5(3 - x) = 30

x=-3

400

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

x = -4

400

Simplify :

-7(-2x - 3)

14x + 21

400

Simplify:

9 + 7x - 11 - 12x

-5x - 2

500

Another word for the number attached (right before) to a variable

Coefficient

500

14x + 2(x - 5) - 10 = -4

x=1

500

2(3x + 4) + 5 = 3(x + 6) + x

x = 2.5

500

Simplify :

-5(-2x + 2)

10x - 10

500

Simplify :

-x + 5 + 3x - 7 - 5x

-3x - 2