One step equations

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

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Tags

CCSS.6.EE.B.7

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.7.NS.A.3

What does "difference" mean?

• add
• subtract 
• multiply
• divide

Tags

CCSS.8.EE.C.7B

What is your first step when you solve  x + 5 = 12

• Add 5 to 5 and add 5 to 5 to 12
• Subtract 5 from 5 and subtract 5 from 12
• Subtract 12 from 12 and subtract 12 from 5
• Add 12 to 12 and add 12 to 5

Tags

CCSS.6.EE.B.7

x + 8 = 15

• x = 23
• x = 7
• x = 120
• x = 15/8

Tags

CCSS.6.EE.B.7

13 + y = 20

• y = 13
• y = 33
• y = 7
• y = 20/13

Tags

CCSS.6.EE.B.7

x - 10 = 20

• x = 20/10
• x = 20
• x = 10
• x = 30

Tags

CCSS.6.EE.B.7

Find the value of the variable: m + 4 = 12

• 16

• 8

• 48

• 3

Tags

CCSS.6.EE.B.7

Find the value of the variable: m - 4 = 12

• 16

• 8

• 48

• 3

Tags

CCSS.6.EE.B.7