4-3 Equations

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

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

Tags

CCSS.7.EE.B.4A

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.8.EE.C.7B

11b+7=40

• 2
• 1
• 4
• 3

Tags

CCSS.6.NS.B.4

Solve for x:
52 = -5x - 3

• x = 11
• x = -11
• x = 275
• x = -275

Tags

CCSS.7.EE.B.4A

4 = 2(x + 3)

• 1/2
• 7/2
• -1
• 5

Tags

CCSS.7.EE.B.4A

Where/what is the mistake?

• Line 2 - You should add 12 to both sides.
• Line 4 - You should multiply both sides by the reciprocal.
• Line 4 - You should multiply both sides by the original fraction. 
• Line 5 - There was a calculation error.

Tags

CCSS.HSA.REI.A.1

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.HSA.CED.A.3

Quentin bought 6 new tennis balls. If he now has a total of 18 tennis balls, how many did he start with?

• 9

• 12

• 21

• 24

Tags

CCSS.6.EE.B.7

Joe scored 4 points during the basketball game. Sam scored four times more than Joe. What equation best represents the problem if j represents Joe and s represents Sam?

• j + 4 = s

• s + 4 = j

• 4 x s = j

• 4 x j = s

Tags

CCSS.HSA.CED.A.3