The Distributive Property
3(–2x + 2)
-6x + 6
Combine like terms:
14m - 11 - 9m + 1
5m -10
What does equivalent mean?
When the answers are the same or equal to each other
Add the expressions ...
-5x + 4 + (-3x + 2)
-8x+6
Evaluate
4(y-5)
if y=9
16
–2(x + 1)
-2x - 2
Combine like terms:
25x - 27x + 9 + 5
-2x + 14
What do you call integers that are alike in an expression?
Like Terms
Add the expressions ...
(10x - 2) + (-3x + 15)
7x + 13
Evaluate
5 x n
n = -4
-20
–4(–5x + 9)
20x - 36
Combine like terms:
3r - 1 + 6x + 9r - 3x + 9
12r + 3x + 8
What is Mr. Hull's favorite color?
Blue
Add the expressions ...
20x + (-3x + 12)
17x + 12
Evaluate
7(x+3)
if x = 6
63
-2(7x-13)-2
-14x+24
Combine like terms:
12x + 11s - 8x + 12 - 5s - 12
2x + 6s
How many children does Mr. Hull have?
2
Add the expressions ...
(-4x + 9) + (1x + 6)
-3x + 15
Evaluate
12b + 44
if b= 2
68
9 + 4x -12y +2x + 6 - 4y
6x -16y + 15
Combine like terms:
12m - 19x - 3m + 19x + 12 - 18
9m - 6
What is Mr. Abad's favorite colors? (hint there's 2)
Purple and Green
Add the expressions ...
-8 + x + (-4 + 3x)
4x - 12
Evaluate
16x + 2y
if x = -2, y = 8
-16