Review of Simplifying Expressions and Solving Equations

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

• 23

• 23v

• 9 + 14v

• 9v + 14

Tags

CCSS.7.EE.A.1

Simplify the expression:

a + a + a + a

• a + 4

• 4a

• a to the fourth power

• 4a + 4

Tags

CCSS.7.EE.A.1

Simplify the expression:

-6k + 7k

• k

• -k

• 12k

• -12k

Tags

CCSS.7.EE.A.1

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Tags

CCSS.6.EE.B.7

Solve the equation:
-5x = 25

• x = 20

• x = -20

• x = -5

• x = 5

Tags

CCSS.6.EE.B.7

Solve the equation:

-3a + 8 = 14

• a= -2

• a= -7.5

• a= 2

• a= 6

Tags

CCSS.7.EE.B.4A

Solve the equation:

26 = 5a + 1

• a= 5 ⁴∕₅

• a= no solution

• a= 0

• a= 5

Tags

CCSS.7.EE.B.4A

A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.

• Variable

• Algebraic Expression

• Constant

• Coefficient

Tags

CCSS.6.EE.A.2B

Which equation has x = 5 as the solution?

• x + 15 = 10

• 2x = 5

• 2x = 10

Tags

CCSS.6.EE.B.5

-15 = 5a +12- 2a + 6

• -11

• -3

• 10

• 7

Tags

CCSS.8.EE.C.7B