Vocabulary
Any letter that is being used to represent a number in an equation?
variable
-2p + 8p
6p
2( 5x + 3)
10x + 6
x - 3 = 4
x = 7
3y - 7 = 2
y = 3
Terms that have the exact same ending (variable and exponent)?
Like Terms
4x + 7 + 9x
13x + 7
4 (6b - 9)
24b - 36
v - 10 = -3
v = 7
6a - 4 = 2
a = 1
What is another word for "opposite" operation?
List them opposites.
Inverse
Addition-Subtraction
Subtraction-Addition
Multiplication-Division
Division-Multiplication
9 + 5r - 9r
-4r + 9
3 (7t + 4) - 3
21t + 9
22 = -11k
k = -2
4a - 13 = 19
a = 8
Name the property being used when you have a set of parenthesis and can multiply the number on the outside by each term on the inside?
Distributive Property
33n + 7 -14
33n - 7
-2(n - 1) - n
-3n + 2
x/5 = 2
x = 10
u/5 + 3 = 1
u = -10
Two expressions that are equal to each other?
Equation
21h - 8 - 10h + 4
11h - 4
4 - 2(6p + 8)
-12p - 12
- 8 = p - 13
p = 5
e/7 - 3 = -5
e = -14