Iar Expressions and Equations

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify the expression: 2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

Simplify the expression: 7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

8(x + 5)

• 8x + 13

• 8x + 5

• 8x + 40

• 13x

Rectangle R, made up of four smaller rectangles, is shown in the diagram. Match each description to the algebraic expression that represents the information. Length of long side Rectangle R ​ (a)   Total area of Rectangle A and Rectangle B ​ (b)   The area of Rectangle R ​ (c)  

Rectangle R, made up of four smaller rectangles, is shown in the diagram. Match each description to the algebraic expression that represents the information. Length of long side Rectangle R ​ (a)   Total area of Rectangle A and Rectangle B ​ (b)   The area of Rectangle R ​ (c)  

3(2y - 7)

• 6y - 7

• 6y - 21

• 5y - 7

• 5y - 21

Simplify the Expression: 10x - 3(2x + 8)

• 4x - 24

• -4x + 24

• 16x - 24

• 14x - 6

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Which of the following is equivalent to the expression below?

8 - 3(x + 2)

• 2 - 3x

• 14 - 3x

• 5x + 2

• 5x - 6