Solving 1-step equations and Inequalities!

Addition & Subtraction Equations

100

x - 8 = -3

x = 5

200

-1 = x - 10

x = 9

300

-4 = 3 - x

x = 7

400

-2 + 6 = -x - 5

x = -9

500

x - 1/4 = 2/5

13/20

Multiplication & Division Equations

100

-3x = 12

x = -4

200

1000x = 3

3/1000

300

x/4 = -14

-56

400

-3 = x/15

x =-45

500

2/3 = x/-9

x = -6

Solving, Graphing Inequalities

100

Describe the graph of: x < -1

Open circle at -1 moving to the left.

200

What does it mean for the number when a it has a closed dot on it and when the dot is open?

Closed dot means the number is included in the solution set. Open circle means it is not.

300

Describe the graph of: 0.75 < x

Open dot at .75 moving to the left.

400

Solve and graph: -5 > x - (-3)

Negative 5 is greater than or equal to X minus a negative 3.

X is less than or equal to negative 8.

Closed dot at -8 moving to the left.

500

Describe the graph of: -2.5 < x

Open dot at -2.5 moving to the right

Challenge!

100

Write an inequality that means the same thing as this sentence: "Five less than a number is greater than or equal to negative six."

x - 5>=-6

200

Write and solve an equation that means the same thing as this sentence: "The product of a number and negative four decreased by 2 is equal to negative fourteen."

-4x - 2 = -14 x = 3

300

Solve the inequality and describe the graph. 

x - 3 > -7

x > -4

Open dot at -4 moving to the right.

400

Solve the equation for x: 3 = -x + 9²-12

x = -66

500

John wants to buy a new shirt. The shirt he wants normally costs $25, but today it is 20% off. How much will John pay for the shirt?

$20.00

Mystery Category

100

Is the given number the solution to the equation? -3x - 6 = 0; -2

yes, -3(-2) - 6 equals zero.

200

What do you have to do when you multiply or divide both sides of an inequality by a negative number?

You have to reverse the inequality sign.

300

Solve the equation below for x: 2x - 3x = -5 + -2

x = 7

400

Solve the equation for x: -3 - 5 = -4 - x

x = 4

500

If -x = 7, and -y = -6, is x bigger than y?

No. x = -7 and y = 6. 6 is bigger than -7.