m + 56 = 12
m = -44
20 - 8q = -12
q = 4
9h + 23 = -7h - 89
h = -7
You have $40 to spend on books. You can order a book online for $8 per book plus $5 for shipping and handling. How many books can you buy?
You can buy no more than 4 books.
Define the term evaluate.
Evaluate means to solve.
1 = x - 9
x = 10
7 - c = 15
c = -8
-8 + 14a = 7 - a
a = 1
Four friends spent $36 on tickets to see a movie. How much was each ticket?
Each ticket was $9.
Define the term variable.
A variable is a letter that stands for a number.
4 + t = 18
t = 14
12b - 72 = 84
b = 13
11(t - 3) = 8t
t = 11
Tickets to a concert are $32 each. What is the price for five friends to attend the concert?
They would spend $160.
Define the term simplify.
To simplify means to combine like terms and reduce the number of terms.
31 = x - 13
x = 44
46 = 19 + u/3
u = 81
3(x + 5) = 5(11 - x)
x = 5
Tickets to a play are $24 each. There is also a $5 handling fee. You and some friends spent a total of $173. How many tickets were ordered?
7 tickets were ordered.
Define equation.
An equation is a group of terms that have an equal relationship.
z - 8 = 21
z = 29
9 = 3 + g/3
g = 18
8(y - 3) = 4y + 9y - 14
y = -2
You earn $6 an hour babysitting. The parents gave you an $8 tip. If you earned $26, how many hours did you babysit?
You babysat 3 hours.
Define the term constant.
A constant is a value in an equation that does not change.