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 operations of addition
What is
"Subtraction"
2x+4>12
x>4
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
At least is for this inequality symbol
"greater than or equal to"
x/-6+3<=1
x>=12
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
2+2t>5t
t<2/3
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.
"At most" is for this inequality symbol
"Less than or equal to"
5-4d>2-5d-6
d>9
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
When do we flip the sign of an inequality?
When you multiply or divide by a negative.
(x+3)/-2>=x
x>=-1