Simplifying Equations Lesson 102 SaxonC2

If six less than three times a number is 15, what is the number?

• 7

• 8

• 9

• 10

Tags

CCSS.7.EE.B.4A

3(x – 4) – x =

• 4x -4

• 3x-12

• 2x-12

• none of the above

Tags

CCSS.6.EE.A.3

4x + x – 10 = 2(x + 1)

• 5

• 4

• 3

• 10

4x + x – 10 = 2(x + 1) What was the first step in solving this equation?

• add 10 to both sides

• collected like terms

• Distributative property

• divided both sides by 3

3w – 10 + w = 90

• 10

• 15

• 20

• 25

Tags

CCSS.7.EE.B.4A

x + x + 10 + 2x – 10 = 180

• 40

• 45

• 50

• 53

Tags

CCSS.8.EE.C.7B

3y + 5 = y – 25

• -1

• -10

• -15

• -16

4n – 5 = 2n + 3

• 2

• 4

• 6

• 8

3x – 2(x – 4) = 32

• 24

• 25

• 26

• 27

Tags

CCSS.8.EE.C.7B

3x = 2(x – 4)

• -8

• -3

• -4

• 8

Tags

CCSS.8.EE.C.7B