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

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

Simplify by combining like terms.
m + 9 - 4m

• 5m
• m + 5m
• -3m + 9
• 4m

Simplify the expression: 7v + 2 + 12 + 2v

• 23
• 23v
• 9 + 14v
• 9v + 14

n +10 +9n -3=

• -3
• 9n-3
• n
• 10n + 7

Combine like terms
3x + 2x + 11y - 7y

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

Which expression is equivalent to  $8c\ +\ 6\ -\ 3c\ -\ 2?$  

•  $5c+4$  

•  $5c+8$  

•  $11c+4$  

•  $11c+8$  

Which expression is equivalent to $7a-8-12a+4?$  

•  $-9a$  

•  $31a$  

•  $-5a-4$  

•  $19a+12$  

Simplify: 7t - 3t + t - 3t

• 2t

• 8t - 6t

• 14t

• Can't be simplified

Simplify: 4k + 6k - 3k + 3s - s

• 13k + 3s

• 7k + 2s

• 7k + 4s

• Can't be simplified

Simplify: 10d - 3d + 2e + 4d

• 11d + 2e

• 17d + 2e

• 19de

• Can't be simplified