Simplifying and Adding Expressions

Simplify:6b + 7b - 10

• 3b
• 13b - 10
• 13b² - 10
• 3b²

What is the simplified form of this expression
3x+4+5x+3

• 15x
• 8x+7
• 7x+8

w + w + w could be simplified as?

• 3w
• 3
• w
• 0

4a + 9 + a

• 5a + 9
• 14a
• 3a + 9
• 5a - 9

Simplify the expression: 7+3(1 - 2x) 

• 21 - 6x
• 10 - 2x
• 10 - 20x
• 10 - 6x

Simplify   6(x + -2)

• 6x + -2
• 6x - 12
• 4x
• 6x - 2

Simplify    5(2 - 7n)

•  52 - 57n
• 10 - 7n
• 10 - 35n
• 10 + 35n

Add these expressions
(x+5) + (2x+10)

• 3x+15
• x-5
• 18x

Add  $\left(8x+9\right)+\left(-6x-2\right)$  

•  $-14x+7$  

•  $2x+7$  

•  $2x-11$  

•  $-14x-11$  

Add  $\left(5x+4\right)+\left(-8x-2\right)$  

•  $-12x+6$  

•  $-12x+2$  

•  $-3x+2$  

•  $-3x-6$