Simplify Expressions With and Without Variables

Simplify the expression:

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify the expression:

-r -10r

• 11r

• -11r

• 9r

• -11

Simplify the expression:

-5(x + 4)

• 5x + 4

• -5x + 4

• -5x - 20

• -5x + 20

Simplify the expression:

7(a + 8) - 5a + 4

• 2a + 60

• -5a + 60

• 2a + 56

• 7a + 4

Simplify the expression:

17 + 7h - 19 + 14h

• 21h + 36

• 21h - 2

• 7h + 36

• 7h - 2

Simplify the expression:
6 + 2(7x - 3) 

• 14x + 12
• 14x
• 14x - 12
• 56x - 24

Simplify the expression:

5(2 - 7n)

• 52 -57n

• 10 -7n

• 10 - 35n

• 10 + 35n

Simplify the expression:

19 - ( 3 - 5b)

• 16 + 5b

• 21 + 5b

• 16 - 5b

• 21 - 5b

A number with no variable attached is called a  _____.

• coefficient
• constant
• variable
• term

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term