Special Cases
One & Two-Step Equations
Advanced Equations
Equations with Variables
on Both Sides
Proportions
100

The variable "disappeared" on both sides of the equation.

What is a special case?

100

-10 - 7n = -3

What is n = -1?

100

6(8x + 4) = 168

What is x = 3?

100

3x - 9 = x + 7

What is x = 8?

100

x/3 = 4/6

What is x = 2

200
Value of x when 4 = -2

What is no solution?

200

-20 = x - 5

What is n = -15?

200

-8(7n + 7) = -280

What is x = 4?

200

-6 + x = -9 - 2x

What is x = -1

200

6/x = 2/5

What is x = 15

300

The number of solutions when 3 = 2

What is 0?

300

6x - 1 = -85

What is x = -14?

300

126 = -6(7 - 4m) 

What is m = 7?

300

6 - 3b = -6b - 12

What is b = -6

300

4/2 = (m + 8)/9

What is m=10?

400

The number of solutions when 0 = 0.

What is infinite number of solutions?

400

2/3 x = -3

What is x = -9/2?

400

-6(4x + 7) + 8 = 102

What is x = -17/3?

400

1 - 4x = -7 - 5x

What is x = -8

400

3/6 = p/(p - 7)

What is p = -7?

500

Value of x when 5 = 5

What is x is all real numbers.

500

x/3 - 7 = -4

What is x = 9?

500

-3(5 - 4k) - 7 = -46

What is k = -2

500

2n + 7 = -2 + 5n

What is n = 3?

500

4/(x + 2) = 9/(x + 8)

What is x = 14/5  ?

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