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
Is the statement true or false?
2X > 6
X > 3
True
Solving Inequalities
Solve for c.
c - 11 > 22
What is:
c > 33
2(3x+1)=38
x=6
Solve the equation
X + 4 = -88
What is:
X = -92
Solving Equations
Solve for x.
2x - 5 = - 11
What is:
x = -3
Is the statement true or false?
-2K + 30 = -10
K = -40
False
Solve the inequality
-2x <- 4
X > 2
3x+1+4x=-20
x=-3
solve the equation
z/30 = 70
z = 2,100
Solving Equations
Solve for x.
-9x + 1 = -71
What is:
x = 8
We use a closed circle to represent the inequalities < and > ?
False
Write an inequality
S is at most 55
s <= 55
1/4(4x-8)=17
x=19
solve the equation
-4x = 14
What is:
x = -3.5
Solve for v.
v/3 + 14 = 30
v = 48
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
Write an Inequality
J is less than 8
J < 8
-2(4x-5)=66
x=-7
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
Given c + 4 > -14
We use the inverse operation of subtraction to solve the inequality.
TRUE
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
2(x+4)+3x=33
x=5