Expressions and Equations

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

• 15x

• 8x+7

• 7x+8

Add these expressions
(3x+15) + (4x+13)

• 7x+ 28

• 35x

• x+2

6z + 3 -4z = 9

• z = 3

• z = 60

• z = 30

• z = 1

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

½ = -⅛j

• 4

• 8

• -4

Solve:
7x - 3x - 8 = 24

• 8

• -8

• 3.2

• 4