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Inverse Operations
One Step Equations
Two Step Equations
Misc Equations
100

What is the opposite of addition?

Subtraction
100

x-10 = 23

x = 33

100

2x+5 = 10

x= 2 1/2

100

10x - 5 = 21 - 3x

x= 2

200

What is the opposite of multiplication?

Division

200

5x= -40

x= -8

200

x/3 + 4 = -3

x = - 21

200

8x-12 = 15x -4

x = - 1 1/7

300

What does inverse mean?

The opposite

300

x+5 = -10

x = -15

300

6x-3 = 21

x = 4

300

-3(x-6) = 2

x= 5 1/3

400

What is the opposite of squaring something?

Square root

400

x/4 = -4

x = -16

400

-5 = 9 - 2x

x = -7

400

5(x-1) =2x + 4(x-1)

x = -1

500

What is the opposite of taking the cube root?

Cubing

500
(2/3) x = -12

x = -18

500

(3/4)x -3 = 3

x = 8

500

8(-9x+4) - (2x-3) = -3(6x+9)

x = 1 3/28