One-Step Equations
Solve for x.
-2x = 8
x = -4
Solve for x.
4x + 3 = 7
x = 1
Solve for c.
c - 11 > 22
c > 33
2x+4>12
x>4
The rate is 30 stickers for $60. What is the unit rate per sticker?
$2 per sticker
The inverse operations of addition
Subtraction
Solve the equation.
x + 4 = -88
x = -92
Solve for x.
-2x - 5 = -11
What is:
x = 3
Solve the inequality
-2x <- 4
x > 2
x/-6+3<=1
x>=12
A slow train can travel 74.4 miles in 6 hours. Find the unit rate of miles per hour.
12.4 miles per hour
At least is for this inequality symbol
"greater than or equal to" sign
solve the equation
z/-30 = 70
z = -2,100
Solve for x.
-9x + 1 = -71
x = 8
Write an inequality
S is at most 55
s <= 55
2+2t>5t
t<2/3
Set up and solve the proportion.
3 = 8
x 12
x = 4.5
When do you flip the inequality symbol as you solve?
When multiplying or dividing by a negative number?
solve the equation
5/7 a = 20
x =28
Solve for v.
v/3 + 14 = 30
v = 48
Write an Inequality
j is less than 8
j < 8
5+7d> -2
d>-1
Write a proportion only.
A pump can fill a 750-gallon tank in 35 minutes. How long will it take to fill a 1000-gallon tank with this same pump?
750 gallons = 1000 gallons
35 mins x
"At most" is for this inequality symbol
"Less than or equal to"
Solve the equation.
f - 9 = -58
f = -49
Write an equation that represents the following expression and then solve it.
Harvey's age doubled is 6
2a = 6
a = 3
Create an inequality to represent the scenario and solve the inequality
Julie earns $7 for each car she washes. This week, she wants to save more than $56. How many cars must she wash?
7c > 56
x+3>= -3
x>=-6
Which is the better buy?
5 cans of coke for $3
or
6 cans of coke for $3.80
$0.63
A negative plus a negative is a __________.
A negative times a negative is a ___________.
negative
positive