Solve 1- & 2-step equations

Given: x + 7 = 12

What step would you do to isolate the variable and solve for x?

• subtract 7 from both sides. x = 5

• add 7 to both sides. x = 19

• multiply both sides by 7. x = 84

Tags

CCSS.6.EE.B.7

 $Given:\ \ \ \ \ \ \ \frac{k}{4}=8$ 

What step needs to be completed to isolate the variable k?

• multiply both sides by 4.  k = 32

• divide both sides by 4.  k = 2
  

• add 4 to both sides.   k = 12

• subtract 4 from both sides.  k = 4

Tags

CCSS.6.EE.B.7

Solve:      $x\ -\ 1\ =\ -3$ 

• x = 4

• x = -2

• x = 3

• x = -4

Tags

CCSS.6.EE.B.7

Solve:     $6x\ =\ -30$ 

• x = 5

• x = -5

• x = -24

• x = -36

Tags

CCSS.6.EE.B.7

Solve:    $x\ +\ 8\ =\ -3$  

• x = -11

• x = 5
  

• x = -24

• x = -12

Tags

CCSS.6.EE.B.7

Solve: 3c + 5 = 23

• c = 6

• c = 3

• c = 7

• c = 18

Tags

CCSS.7.EE.B.4A

 $Solve:\ \ \ \ \ 5n\ -\ 6\ =\ 24\$  

Which two steps are needed to solve for n?

• Add 6 to both sides then divide both sides by 5.

• Add 6 to both sides then multiply both sides by 5.

• Subtract 6 from both sides then multiply both sides by 5.

• Subtract 6 from both sides then divide both sides by 5.

Tags

CCSS.7.EE.B.4A

x - 10 = 4

x = _

Tags

CCSS.7.EE.B.4A

-2x + 6 = 12

x = _

Tags

CCSS.7.EE.B.4A

-6x = 24

x = _

Tags

CCSS.6.EE.B.7