Equations and Intro to Linear

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

6z + 3 -4z = 9

• z = 3
• z = 60
• z = 30
• z = 1

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Which equation has x=9 as a solution

• 4 + x = 12
• 5x = 45
• 2x = 20
• x + 7 = 26

Tags

CCSS.6.EE.B.5

Which word problem has a solution of 9 x 3 = 27?

• Jan is 9 times older than her cousin Josh who is 3 years old. How old is Jan?
• Katrina buys 9 cupcakes for twenty seven cents each.  How much total money did Katrina spend?
• Don saves for 9 weeks to buy 3 games. How many weeks did Don save for each game?
• Sam spends $9 on a book and $3 on a notebook.  How much total money does Sam spend?

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Janeen's mother is 47. She is 26 years older than Janeen. Which equation can be used to find Janeen's age j?

• j + 26 = 47

• 26j = 47

• j - 26 = 47

• 47j = 26

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Solve for x:
x + 8 = -3

• x = -5
• x = 5
• x = -11
• x = 11

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

A solution is...

• A variable that results in a true sentence

• A mathematical sentence showing two expressions are equal.

• Numbers expressed using exponents

• The value for the variable in an equation.

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

Tags

CCSS.6.EE.A.3

4(-p - 6)

• 4p - 24
• 4p + 24
• -4p + 24
• -4p - 24

Tags

CCSS.6.EE.A.3