Expressions and Equations

Solve
-5t + 9 = 24

• t = -3

• t = 3

• t = 6

• t = 12

Solve  12 - 6y = 24

• 2

• -2

• 3

• -3

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

• x = 22

• x = -22

• x = 1

• x = -1

3x + 10(1 – 7x)

• 13x – 7

• –67x + 10

• –4x + 10

• –73x + 10

–2n + 5(–3 + 3n)

• –15 + n

• 17n – 15

• 13n – 15

• –17n + 3

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

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Evaluate the expression.    Let     c = 3     d = 2
3c + 7d

• 27

• 21

• 29

• 23

Which expression represents the area?

• 6x + 3

• 8x + 12

• 8x² + 12

• 8x + 3

Which expression represents the perimeter of the triangle?

• 4x + 4y + 5

• 6xy + 7

• 6x + 2y + 5

• 10xy + x + 2y

Which expression represents the area of the rectangle?

• 12x - 2

• 12x - 1

• 8x - 2

• 36x² - 2