Vocabulary
In an equation, what is the unknown number called? People often use "x" to represent it.
What is a Variable?
2x=12
x=6
3x+5=20
x=5
3(x+4)=21
x=3
What is the name of the number attached to the Variable ex. 25x
What is a coefficient
x +32 = 100
x=68
-10+8k=14
k=3
5(3+2z)−4=41
z=3
The name of the property used to rewrite
6(2+x) as 12+6x
What is the distributive property
x-53= 97
x=150
9p+6=42
p=4
7−3(4−k)=22
k=9