Combining Like Terms

Simplify the expression:
2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

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

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

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

• 23
• 23v
• 9 + 14v
• 9v + 14

Simplify the following expression:
3 + 5x + 8 - 2x

• -3x² - 11
• 3x² + 11
• 11 - 3x
• 11 + 3x

Simplify by combining like terms:
4x + 6x² - 2x + 18 + 7x²

• 13x² + 6x + 18
• 15x² + 18
• 13x² + 2x + 18
• 13x² + 2x - 18

Simplify by combining like terms:
12x + 13y² - 3x² + 5x

• 14x² + 13y²
• 17x + 10xy²
• 17x + 13y² + 3x²
• 17x + 13y² - 3x²

Simplify:
6a + 14b - a + 3b

• 5a + 17b
• 22ab
• 6a + 17b
• 5a + 11b

Simplify by combining like terms:
12c² + 4c - 3d² + 5d

• 16c² + 8d²
• 8c² + 2d²
• 9cd² + 9cd
• 12c² + 4c - 3d² + 5d

Simplify by combining like terms:
15e + 12 + 6f - e + 9

• 14e + 6f + 21
• 15e + 6f +21
• 20ef + 21
• 14e + 6f -21

Simplify:
14f + 7g + 8 - 13f + 2g - 3

• 2f + 9g +11
• f + 9g +5
• f +5g + 5
• 27f + 9g + 5