Solving and Simplifying

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11

Tags

CCSS.7.EE.A.1

Simplify the expression:

5(2 - 7n) =

• 52 - 57n

• 10 - 7n

• 10 - 35n

• 10 + 35n

Tags

CCSS.6.EE.A.3

Simplify the expression:

2x - 5x + 6x + 7 + 14

• 3x + 21

• 3x + 22

• -3x + 21

• -3y + 22

Tags

CCSS.7.EE.A.1

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

(77 ÷ 11) + (8 - 4) x 6

• 28

• 5

• 12

• 31

A letter or symbol used to represent a number or quantities that vary

• constant
• coefficient
• variable
• term

Tags

CCSS.6.EE.A.2B

Simplify: 6y + 7 - 3y + 3

• 9y + 10

• 3y + 4

• 3y + 10

• 9y + 4

Tags

CCSS.7.EE.A.1

Solve the equation below:

• k = 152
• k = 176
• k = 5
• k = 27

Tags

CCSS.6.EE.B.7

r - 18 = 27

• -45
• 45
• -9
• 9

Tags

CCSS.6.EE.B.7

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11
• Multiply both sides by 11.
• Add 11 to both sides.
• Subtract 11 to both sides.

Tags

CCSS.6.EE.B.7