Simplifying Algebraic Expressions Teixeira

Identify the variable in the expression below.

3w + 2w - (-7w)

• 3

• 2

• w

• 12

How many terms are in the expression below:
-3c + 7d

• one

• two

• three

• four

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five

• eight

• six

• nine

eight plus triple the number of shirts
Let s = number of shirts

• 8 + 3s

• 8 + s

• 3s - 8

• s(8 + 3)

5z - z - z -z =

• 2z

• 3z

• 4z

• z

r + r + r + 12 + 7 =

• r + 19

• 3r - 5

• 3r + 19

• 2r + 5

7s - 2s + 10=

• 15s

• 5s + 10

• 19s

• 9s + 10

3f + 4f + 5f + 6f - 7f =

• 25f

• 12f

• 11f

• 24f

67t - 67t=

• 0

• t

• 2t

• 3t

The expression 2r + 16 is the same as...

• r + r + 12 + 3

• r + r + 9 + 7

• 2r + 16 - 1

• r + 16