Equations
Solving Equations
Solve for x.
4(3x-10) + 7 = 15
What is:
x = 4
Solving Equations
Solve for x.
4x + 3 = 7
What is:
x = 1
Solving Inequalities
Solve for n:
165 > -7(4n-4)-3
What is:
n> -5
False
Solve for b:
b - 25 = 30
b=55
Solve the equation
5(x+1) - 2 (3x-4) = 14
What is:
X = -1
Solving Equations
Solve for x.
2x - 5 = - 11
What is:
x = -3
Solve the inequality
n+3 - 2n > 5 + n - 1 + 3
n <-2
Is the statement true or false?
-2K + 30 = -10
K = -40
False
Solve for g:
g/2 - 200 = 500
g = 1400
solve the equation:
0.2(4-5x)+1=2.4
x=-0.6
Solving Equations
Solve for x.
-9x + 1 = -71
What is:
x = 8
Solve the Inequality
3n - 4 < 14
n<6
The solution to the equation:
4x + 10 = 50
x = 10
True
Solve for k:
k / 4 +10 = 50
What is:
k = 160
solve the equation
0.4(2x+3)=0.3x+0.8
What is:
x = -0.8
Solve for v.
v/3 + 14 = 30
v = 48
Solve the inequality:
3x + 4 > 9x + 3
x < 1/6
Inequalities only have one solution, just like equations.
False. Inequalities have infinitely many solutions.
Solve for x:
2(x+9)=68
x=25
Solve the Equation:
8-3(2x-5)=4(x+2)
What is:
x=1.5
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
c > 8
Given c + 4 > -14
We use the inverse operation of subtraction to solve the inequality.
TRUE
Solve for x:
-9x + 8 = 26
x = -2