Vocab
Addition, subtraction, multiplication, and division are the 4 basic __________
operations
2b + 4 = -8
-6
Cody's Bikes rents bikes for $18 plus $5 per hour. Mofor paid $48 to rent a bike. For how many hours did he rent the bike?
6 hours
An unknown value represented by a letter
Variable
n/3 + 3 = 5
16
You bought a magazine for $6 and three candy bars. You spent a total of $12. How much did each candy bar cost?
$2
In the expression 3x + 7; we call 7 a __________
constant
7 - 2v = 15
-4
Beth sold half of her comic books and then bought nine more. She now has 28. With how many did she begin?
22 comic books
The number in front of the variable is called a _______
coefficient
-3 + m/5 = 0
15
Mike won 55 pieces of gum playing hoops at the county fair. At school he gave four to every student in his math class. He only has 3 remaining. How many students are in his class?
13 students
Addition is the _______ ________ of subtraction
Inverse operation
64 = 4n +12
13
How old am I if 200 reduced by 2 times my age is 16?
97 years old