7.1/7.2 Pre Algebra

2 (x + 4)

• 2x + 4

• 2x + 8

• 2x + 6

• 10x

-3 (a + 3)

• 3a - 9

• -3a + 9

• 3a + 9

• -3a - 9

(x + 10) (-2)

• -2x + 20

• -2x - 20

• 2x - 20

• 2x + 20

-10 (-3x - 5y)

• 30x - 50y

• -30x - 50y

• 80xy

• 30x + 50y

(-n + 3) (-8)

• n - 5

• n + 24

• 8n - 24

• -8n - 24

Simplify the following expression:
a - 8 - 10

• 2a - 18
• a - 18
• a - 2
• a + 18

Simplify the following expression:
-9(14p - 8) - 4p

• 130p - 72
• 122p - 72
• -130p - 18
• -130p + 72

Simplify the Expression: 5(x + 2) + 2x

• 7x + 2
• 7x + 10
• 5x + 4
• 7x + 7

Simplify the Expression: 10x - 3(2x + 8)

• 4x - 24
• -4x + 24
• 16x - 24
• 14x - 6