Simplify
y +2+y=
2y+2
5x=25
5
n -10 +9n -3
10n-13
3(10B+10)+5(b+2)
35B+ 40
What strategy looks like a box and involves drawing lines to divide?
Bar Model
8x+x=
9x
x+4=10
6
4p+2p
6p
11r-12r
-r or -1r
What strategy means doing the opposite operations?
Inverse Operations
5+y-5+3y
4y
3x+2= 20
6
12r+5+3r-5
5.57=d+0.29
5.46=d
What strategy has one equation on the left and another equation on the right and looks like balancing.
Pan Balance
8x+6-7x+7+3x+2
4x+15
4x+5= 49
11
n-4-9
n-13
18=5B
B=3.6
What strategy is your favorite?
All of them!
6+4x-3+7x+7+6x
17x+10
7x - 9= 40
7
5n+3(6+7n)
26n+18
2x+7+3x-2+3
5x+8
What strategy involves families?
Combining like terms!