FOIL Method
Exponents
Order of Operations
Solving Proportions
Linear Equations
100
(x+9) (x-5)
x2 +4x-45
100
34
81
100
7+6x3
25
100
10
100
8x=-24
-3
200
(x-3)(x+9)
x2+6x-27
200
122
144
200
(2-6) (-3 - 5)
32
200
6
200
14-5x =-41
11
300
(x-5)(x-7)
x2-12x+35
300
103
1,000
300
(-5)-6(-3)
13
300
32
300
8y-3 = 11y+9
-4
400
(4x-7)(3x+2)
12x2-13x-14
400
53
125
400
-5 + (-3) x 8
-29
400
3
400
2(4-3x) = 2(2x+5)
-1/5
500
(-x+12)(2x-11)
-2x2+35x-132
500
113
1,331
500
(-5)-6(-3)
13
500
19
500
What are the FOUR steps to solving a Linear Equation?
Simplify, Collect all variables on one side, Isolate/Divide, & Check