Simplifying Expressions

5(1 - y) - 3y

• -4y + 5

• -2y + 5

• 3y + 5

• -8y + 5

-5(y - 6) + 4

• -5y + 34

• 5y - 26

• -5y - 26

• 5y + 34

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11

-12n - (-13n)

• -25n
• 25n
• n
• -n

-2(3m + 9)

• -6m + 18
• -6m - 18
• -5m + 9
• -5m + 18

½(8x + 2)

• 16x + 4
• 4x + 2
• 4x + 4
• 4x + 1

⅔(¼x - 6)

• ⅙x - 4
• ½x - 3
• ⅘x - 2
• ⅛x - 6

6(x + 1) - 5(x + 2)

• -2x + 3
• x + 5
• 2x - 4
• x - 4

Simplify:

1y - 2x - 3y + 4x

• -2x + 2x

• -2y + 2x

• -4y - 6x

• 2y - 2x

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term