Two-Step
4p = -16.8
-4.2
the factor in front of a variable
coefficient
A scrap paper has a perimeter of 40 centimeters. It's width is 14cm. What is its length?
6 cm
2(3x + 4) = -22
x = -5
Five less than twice a number is 7
x = 6
m/3+8 =15
21
a letter that represent an unknown number
variable
Jonathan rented a jetski while on vacation. He paid a rental fee of $15 and a fee of $8.50/hour. If he paid a total of $49, how many hours did he rent the jetski?
4 hours
3(2 + f) = -15
f = -7
-23 is nine times a number decreased by five
x = -2
8 = 18 - t
t = 10
to find the value of
to solve or evaluate
Kara purchases movie tickets for herself and 4 friends. She also buys everyone a small popcorn for $6. She spends a total of $90.
t = $12.00
-4(3x + 2) = 16
x = -2
The sum of 9 and the quotient of a number and 7 is 11
x = 14
-8x - 15 = 25
x = -5
a term without a variable
constant
Courtney feed his dog 3 cups of dog food each day. One bag of dog food has 180 cups. How many days will it take the dog to eat an entire bag of dog food?
60 days
9x - (-4) = -23
x = -3
Ten less than a number divided by -2 equals 3
4x - 8x = 36
x = -9
operations used to undo each other
inverse operations
Jasmine Ubers home from basketball practice. She pays $12 for the Uber ride, plus .5 each mile. How far does she travel home if her Uber total is $16?
8 miles
3/4(4x + 8) = -12
x = -6
8 is the product of 2 and the sum of 5 and a number
n = -1