Expressions Review

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

n -10 +9n -3=

• -3
• 9n-3
• n
• 10n -13

2(4X-7)

• 8x-14
• 8x-7
• 6x+7
• 8x+14

-4(-4d - 5)

• -16d+20
• 16+20
• 16d+20
• 16s-20

(8x + 3) + (12x + 5)

• 6x - 9

• 7x + 7

• 20x + 8

• 20x + 4

(7x + 12) - (4x + 3)

• 7x + 7

• 3x + 9

• 6x - 9

• -4x + 11

(7x + 2) - (3x + 1)

• 2x + 5

• 15x + 7

• 9x + 10

• 4x + 1

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9
• 38
• -38
• -9

Solve the following:
-12 ÷ 6 (-3) + 8

• -14
• 2
• -22
• 3

Factor 12x - 20

• 6(2x - 3)

• 4(3x - 5)

• 4x(3x - 5)

• 3(4x + 6)