Isolate the Variable
x+7=15
x=8
The y values are ______ (up and down) and the x values are _______ (left to right)
Vertical and Horizontal
1/8+3/8
1/2
4-13
9
7a-5=23
2(x+2) => 2x+4 What property did we use?
Distribute
1/2+2/4
1
7+(-12)
-5
2-4x=14
x=-3
What are the four main operations of math?
Addition, Subtraction, Multiplication and Division
5/6*3/5
1/2
27-(-15)
42
y/4-3=2
y=20
3+4=4+3, with THIS PROPERTY you can change the order of addition and multiplication.
Commutative Property
56/2
28
-17-21
-38
9b-27=-3b+45
b=6
We take the ______ when we flip a fraction:
1/4=> 4/1
reciprocal
5/6 div 3/4
10/9
-12+20-(-16)
24