Identifying Expressions and Equations

3 - 2a + 3a + 5a

• 5a+3
• 5a-3
• 6a + 3
• 8a+3

What is the first step to solve this equation:
11 - 3x = 44

• Subtract 11 from both sides
• Divide  - 3 on both sides
• Add 3 to both sides
• Add 11 to both sides

What is the simplest form of this expression
4x-6a+5a-2x

• 2x-1a
• 21xa
• 6x+11a

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

• 7x+ 28
• 35x
• x+2

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

Evaluate the expression:
15f - 60  if f = 5

• 15
• 95
• 30
• -45

Use the distributive property to simplify 2(x + 4)

• 2x + 4

• 2x + 8

• 10x

• x² + 8