Solving Equations

Inverse Operations

100

What is the opposite of addition?

Subtraction

200

What is the opposite of multiplication?

Division

300

What does inverse mean?

The opposite

400

What is the opposite of squaring something?

Square root

500

What is the opposite of taking the cube root?

Cubing

One Step Equations

100

x-10 = 23

x = 33

200

5x= -40

x= -8

300

x+5 = -10

x = -15

400

x/4 = -4

x = -16

500

(2/3) x = -12

x = -18

Two Step Equations

100

2x+5 = 10

x= 2 1/2

200

x/3 + 4 = -3

x = - 21

300

6x-3 = 21

x = 4

400

-5 = 9 - 2x

x = -7

500

(3/4)x -3 = 3

x = 8

Misc Equations

100

10x - 5 = 21 - 3x

x= 2

200

8x-12 = 15x -4

x = - 1 1/7

300

-3(x-6) = 2

x= 5 1/3

400

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

x = -1

500

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

x = 1 3/28