Combining Like Terms HW

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

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

Combine like terms:

 $3x+5+2x+7$  

• 5x+12

• 17x

• 6x+35

• None of the above

Combine like terms:

 $4x+7y-3x+2$  

• 10xy

• 7x+7y+2

• x+7y+2

• 4x+4y+2

Combine like terms:

 $1+5x^2+7x^2+8x+6$  

•  $12x^2+14x$  

•  $12x^2+8x+6$  

•  $20x^5+6$  

•  $12x^2+8x+7$  

Combine like terms:

5x+2y+8y+3x

• 8x+10y

• 18xy

• 7xy+11xy

• 18

-6k + 7k=

• k
• -k
• 12k
• -12k

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

n +10 +9n -3=

• -3
• 9n-3
• n
• 10n + 7