Solve for X

Solve for x

True of False

100

6x = 18

What is x = 3

100

x/2 = 4

What is x = 8

100

x - 4 = 3

What is x = 7

100

x + 2 = 4

What is x = 2

100

TRUE or FALSE: You do the same operations to BOTH sides of the equation

What is TRUE, you always do the same to both sides to keep things balanced

200

3x = 21

What is x = 7

200

x/4 = 3

What is x = 12

200

x - 5 = 6

What is x = 11

200

x + 4 = 13

What is x = 9

200

True or False: When you solve for x, x is a known number.

False: x is an unknown number

300

12x = 48

What is x = 4

300

x/5 = 5

What is x = 25

300

x - 9 = 7

What is x = 16

300

x + 7 = 11

What is x = 4

300

True or False: The opposite of adding is subtracting.

True: The opposite of adding is subtracting.

400

4x = 20

What is x = 5

400

x/12 = 2

What is x = 24

400

x - 10 = 8

What is x = 18

400

x + 6 = 15

What is x = 9

400

TRUE or FALSE: Math uses only "x" to represent unknown numbers

FALSE: Math uses several different letters to represent unknown numbers.

500

25x = 125

What is x = 5

500

x/11 = 6

What is x = 66

500

x - 13 = 12

What is x =25

500

x + 3 = 12

What is x = 9

500

True of False: To get a number away from the x (for example: 4x) you have to do the opposite of dividing.

False: You have to do the opposite of multiplying to get the 4 away from the x.