Unit 1A test review

7x + 6 +2x = 60

• x = 6
• x = 8
• x = 9.5
• x = 13

Tags

CCSS.7.EE.B.4A

-2(x + 3) - 5 = 11

• x = - 11
• x = 2
• x = 11
• x = -2

Tags

CCSS.7.EE.B.4A

4a + 9 + a

• 5a + 9
• 14a
• 3a + 9
• 5a - 9

Tags

CCSS.7.EE.A.1

4x + 2(x - 6) = 12

• x = 6
• x = 4
• x = 2
• x = -2

Tags

CCSS.8.EE.C.7B

Simplify    5(2 - 7n) =

•  52 - 57n
• 10 - 7n
• 10 - 35n
• 10 + 35n

Tags

CCSS.6.EE.A.3

What would be the best first step to solving the equation?
-3=x+5

• add 3 to both sides
• subtract 5 from both sides
• add 5 to both sides
• subtract -5 from both sides

Tags

CCSS.6.EE.B.7

What is the inverse operation of subtraction?

• Subtraction
• Multiplication
• Division
• Addition

Tags

CCSS.2.NBT.B.5

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.HSA.REI.A.1

When solving an equation, our goal is to:

• add all the numbers together.
• use a calculator.
• eat lunch.
• isolate the variable to solve.

Tags

CCSS.7.EE.B.4A

6x - 4 = 8x

• 2
• -2
• 3
• 0