Which algebraic property is shown?
3 + (4 + 8) = (3 + 4) + 8
associative property
Solve

8

9a - 7
Solve for r.
12 - r = 6
r = 6
Name all the sets of numbers to which the number -15 belongs to.
real, rational, integers
Simplify

-9
Distribute
-4(w - 2 + 3x)
-4w + 8 - 12x
Solve for m.
-10 + 3m = -43
m = -11
What algebraic property is shown?

symmetric
Simplify

-15
Simplify

2x + 11y + 4
Solve for k.
k = 3
Distribute, then combine like terms.

19w - 11
What is the difference between rational and irrational numbers? Explain.
rational numbers can be written as fractions, and irrational numbers cannot.
Evaluate the expression given the values.

8
Solve for x
-39 = x
What set of numbers is closed under multiplication?
A) negative numbers
B) odd numbers
C) prime numbers
D) all of the above
Evaluate the expression using the given values. 
23
Distribute.
3(5a + 2b - 1) - 1/2 (4a - 2)
13a + 6b - 2
Solve for the variable.
9(n + 5) - 3(n - 2) = 8n + 31
n = 10