One Step Equation Review

How do you undo a number on the same side of the equation as a varaible to isolate it (get it alone).

• Subtract it from that side of the equation.

• Use the inverse (opposite) operation on BOTH sides of the equations

• Aways add it to the other side

Tags

CCSS.7.EE.B.4A

What what is the inverse (undo) operation of subtraction?

• addition

• subtraction

• multiplication

• division

Tags

CCSS.HSA.REI.A.1

What is the inverse (undo) operation of division?

• Division

• Multiplication

• Addition

• Subtraction

Tags

CCSS.3.OA.B.5

CCSS.3.OA.C.7

What would be the best first step to solving the equation?

15 = m - 5

• add 15 to both sides

• add 5 to both sides

• subtract 15 from both sides

• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

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

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

 $16\ =\frac{k}{11}$  

The variable, k, is being divided by 11. What step needs to be completed to isolate the variable k?

• Divide both sides by 11

• Multiply both sides by 11.

• Add 11 to both sides.

• Subtract 11 to both sides.

Tags

CCSS.6.EE.B.7

x - 62 = 123

How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side.

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

Tags

CCSS.6.EE.B.7

How would you solve this equation: 9x = 153?

• multiply 9 by both sides

• divide 9 by both sides

• add 9 to both sides

• subtract 9 to both sides

Tags

CCSS.6.EE.B.7

How would you solve this equation: 9x = 153?

• add 9 to both sides

• subtract 9 from both sides

• multiply both sides by 9

• divide both side by 9

Tags

CCSS.6.EE.B.7