Algebra I simplifying expressions

Simplify:
5x - 6x - 8x + 7 

• -9x + 7
• 10x + 7
• 9x + 7 
• 9x - 7

Tags

CCSS.7.EE.A.1

3 - 2a + 3a + 5a

• 5a+3
• 5a-3
• 6a + 3
• 8a+3

Tags

CCSS.7.EE.A.1

−x²+2−1+6x²−4x²

• x ²  -1
• x² +1
• 3x² +1
• x ²+3

Tags

CCSS.6.EE.A.3

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

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

Tags

CCSS.7.EE.A.1

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five
• eight
• six
• nine

Tags

CCSS.6.EE.A.2B