Expressions and Equations

What is the solution of 9 + k = 18

• 18

• 9

• 27

• 7

Evaluate the expression (4³ - 4) + 12 ÷ 3

• 64

• 12

• 24

• 6.6

What is the solution of 3w = 30

• -10

• 90

• 10

• 12

What is the solution of a - 5 = 9

• 14

• -4

• 5

• 4

Choose the equivalent expression.

6(4c + 5)

• 24c + 5

• 24c + 30

• 4c + 5

• 4c + 30

Janeen's mother is 47. She is 26 years older than Janeen. Which equation can be used to find Janeen's age j?

• j + 26 = 47

• 26j = 47

• j - 26 = 47

• 47j = 26

Antwaun waters his lawn 3 times a week. If he watered his lawn 24 times in all, which equation could be used to find how many weeks he has been watering his lawn?

• x + 3 = 24

• 24 - x = 3

• 3x = 24

• x/3 = 24

3x + 2(4x - 4) = 3

• x = 22

• x = -22

• x = 1

• x = -1

Solve:
7x - 3x - 8 = 24

• 8

• -8

• 3.2

• 4

What is the simplified form of this expression
3x+4+5x+3

• 15x

• 8x+7

• 7x+8