One step equations using add/sub

Solve for j

j  $+$  2  $=$   $-17$  

• 19

•  $-35$  

• 35

•  $-19$  

Tags

CCSS.6.EE.B.7

What is the inverse of addition?

• Subtraction
• Division 
• Multiplication

Tags

CCSS.6.EE.B.7

Subtracting 17 is the inverse of ...

• Dividing by 17
• Multiplying by 17
• Adding 17

Tags

CCSS.HSA.REI.A.1

Choose the variable in this equation: x  $-$ 5 = 12

• x

• subtract

• 5

• 12

Tags

CCSS.6.EE.A.2B

17 = x + 3

• x = 20
• x = 14
• x = 13
• x = 19

Tags

CCSS.6.EE.B.7

Solve: 
x + 12 = 45 

• x = 33
• x = 57

Tags

CCSS.6.EE.B.7

Write an equation for the model above.

• x + 3 = -9
• x - 3 = 9
• 3x + 1 = 9
• 3x - 1 = 9

Tags

CCSS.HSA.CED.A.3

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

Tags

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.7.EE.B.4A

When you solve one-step equations, you can do anything you want to one side of the equal sign, as long as...

• it is mathematical
• you do the SAME thing to the other side
• solving equations is impossible
• I love Snow Days!

Tags

CCSS.HSA.REI.A.1