Simplifying 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

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

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

Simplify    5(2 - 7n) =

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

Simplify the expression: 7+3(1 - 2x) 

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

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

4(x+3) - 5

• 4x + 7

• 4x - 2

• 4x - 17

• 4x + 2

6(7 + x) + 5x

• 6x + 13

• x + 42

• 6x + 42

• 11x + 42

3(5 + 3x) - 4x

• -x + 8

• 7x + 15

• 5x + 15

• 7x + 8

5(y + 6) + 4

• 5y + 15

• 5y + 34

• 5y + 10

• y + 34