Vocabulary
A _____ represents an unknown amount/quantity or value.
A variable represents an unknown amount/quantity or value.
-5x + 9x -15 = 1
x = 4
x - 14 - 2x = 4
-18
x - 4 = 8
x = 12
IIOVISND
Division
___ ___ have the same variable or exponent. We combine these together.
like terms
- 2x - 10 + 4p = 14
x = 12
5x - 2x - 31 = 11
14
x - 8 = -3
x = 5
FOIATNRSC
Fractions
Define combining like terms
adding or subtracting terms that have the same variable
2n + 5 = -3
x = -4
4a + 5 - 8a = 25
-5
x/8 = -6
x = -48
AGSLEN
Angles
What is the first step in solving equations with fractions?
Determine the LCD using skip counting
6x - 3x + 8 = 23
x = 5
3x + 4 - 2x - 10x =31
-3
7x = 63
x = 9
sunshine
What is a coefficient in math?
4(2x -7) + 5 = -39
-2
3x + 12x - 20 = 25
3
-x/3 = 8
x = -24
TELFRISEBTU