Simplifying Expressions 8.EE.7b

Simplify:
5x - 6x - 8x + 7 

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

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

Simplify:
10x + 7 - 2x - 2

• -12x - 9
• -8x - 5
• -8x + 5
• 8x + 5

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

Simplify:
x + y + z + 10z + y - 10x

• 9y + 11x + 2z
• 9z + 11x + 2y
• 9x + 11z - 2y
• -9x + 11z + 2y

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

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

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

Tags

CCSS.6.EE.A.3

Simplify 5(2 - 7n)

• 52 - 57n

• 10 - 7n

• 10 - 35n

• 10 + 35n

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

−x²+2−1+6x²−4x²

• x ²  -1
• x² +1
• 3x² +1
• x ²+3

Tags

CCSS.6.EE.A.3

Simplify the expression: 3(1 - 2x) + 7

• 21 - 6x
• 24 + 6x
• 10 + 6x
• 10 - 6x

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

15 = 2a + 7

• 2
• 4
• 12
• 14

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is a one-step equation?

• A problem where multiple operations are present.
• A problem where the variable is missing.
• An equation where only one step (operation) is needed to solve it.
• An equation where two steps (two operations) are needed to solve it.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7