One-Step Equations
Solving Equations
Solve for x.
2x = 8
What is:
x = 4
Solving Equations
Solve for x.
4x + 3 = 7
What is:
x = 1
Solving Inequalities
Solve for c.
c - 11 > 22
What is:
c > 33
Is the statement true or false?
2X > 6
X > 3
True
The inverse operation of addition
What is
"Subtraction"
Solve the equation
X + 4 = -88
What is:
X = -92
Solving Equations
Solve for x.
2x - 5 = - 11
What is:
x = -3
Solve the inequality
-2x <- 4
X > 2
Is the statement true or false?
-2K + 30 = -10
K = -40
False
For the phrase "at least", we use this inequality symbol
"greater than or equal to"
solve the equation
z/30 = 70
z = 2,100
Solving Equations
Solve for x.
-9x + 1 = -71
What is:
x = 8
Write an inequality
S is at most 55
s <= 55
We use a closed circle to represent the inequalities < and > ?
False
What is 25% of 200?
What is:
50
solve the equation
-4x = 14
What is:
x = -3.5
Solve for v.
v/3 + 14 = 30
v = 48
Write an Inequality
J is less than 8
J < 8
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
For the phrase "At most" we use this inequality symbol
"Less than or equal to"
Solve the Equation:
f - 9 = -58
What is:
f = -49
Modeling Equations
Create an equation that represents the following expression and then solve it.
Harvey's age doubled is 6
2a = 6
a = 3
Modeling and Solving Inequalities
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?
What is:
7c > 56
Given c + 4 > -14
We use the inverse operation of subtraction to solve the inequality.
TRUE
Difference between an equation and an expression.
Equations have "=" and expressions do not