One-Step
Two-Step
Variables on both sides
Multi-Step Equations
Vocabulary
100
x+6=9
X=3
100
3b+4=19
b=5
100
2x+5= 3x
x=5
100
7(x-2)=6x
x=14
100

In an expression, the parts being added together or subtracted. Example: 4x + 3x + 3y + 7y

What is a term?

200
m-2= -19
m= -17
200
-5y+7= -23
y=6
200
5x+2= 3x-8
x=-5
200
-(a-12)+4a= 9a
a=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?

300
-2x=32
x= -16
300

The solution when you solve the equation

-25 + 4(2x + 5) = -61.

What is x = - 7 ?

300
12x+8= 3x+62
x=6
300
3(x+1)=x+5
x=1
300

A mathematical phrase that contains numbers, operations, and/or variables (but no = sign). Example: 5x + 4y + 5 - 2x

What is an expression?

400
h/4=-3
h= -12
400
4(x-6)= -16
X=2
400
16-4x=7x+5
x=1
400

The solution when you solve the equation

12(x + 3) - 3x = 117.

What is x = 9 ?

400

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?

500
2/3 x= -20
x=-30
500
4/5 m +2= -6
m=-10
500

The solution when you solve the equation

6x - 21 = 33 + 9x.

What is x = - 18 ?

500
4(2a+3)= -3(a-1)+31
a=2
500

A symbol, usually a letter of the alphabet, used to represent a quantity that can change.

What is a variable?

M
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u