Show:
Vocabulary
Combining Like Terms (A)
Combining Like Terms (B)
Solving multi-step Equations (A)
Solving multi-step Equations (B)
100
In an expression, the parts being added together or subtracted. Example: 4x + 3x + 3y + 7y
What is a term?
100
8a + 15a + a + 9
What is 24a + 9
100
21b - 11b - 10 - 12b
What is -2b - 10
100

Solve for x

3x + 5 = 20

x = 5

100

Solve for x

2x + 4 = 8

x = 2

200
Terms that contain the same variable(s) raised to the same exponent. These terms can be combined. Example: 3x + 9x or 7y + 3Y
What are like terms?
200
5x + 35 + 3x + 2
What is 8x + 37
200
12c - 6c - (-30)
What is 6c + 30
200

Solve for x

2x - 4x + 8 = 0

x = 4

200

Solve for m

10m +3m - 8m + 6 = 16

m = 2

300
To perform all indicated operations, including combining like terms. When you do this you do not always get a number answer like 25 or 10 or -1. Frequently you get an expression as an answer, like 2x + 5.
What is simplify?
300
6p + 32 + 16p + 2 + 4p
What is 26p + 34
300
-7d - (-40) + 8d
What is d + 40
300
Solve for r


(r/4) - 7 = 3

r = 40

300

Solve for m

6 = 10 + (m/7)

m = -28

400
A symbol, usually a letter of the alphabet, used to represent a quantity that can change.
What is a variable?
400
m + 20n + 25m + 6n
What is 26m + 26n
400
-15j - 18k - 24j - 18k
What is -39j - 36k
400

Solve for x

2x - 5x - 2 = - 17

x = 5

400

Solve for b

5b - 2b - 6 + 2 = 11

b = 5

500
A mathematical phrase that contains numbers, operations, and/or variables (but no = sign). Example: 5x + 4y + 5 - 2x
What is an expression?
500
32 + 12t + 16t + 8
What is 28t + 40
500
5z - 55 - 26 - z
What is 4z - 81
500

Solve for n

2 = 9n + 29

n = -3

500

Solve for t

21 = 7t - 2t -5 + 1

t = 5