One step equations

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10
• v + 4 = 10
• 10 - 4 = v
• Answer not Given

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

To Solve the Equation Below, you'd
x - 62 = 123

• add 62 to each side
• subtract 62 from each side
• multiply each side by 62
• Add 123 to each side

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

f + 5 = -6

• -11

• 1

• -1

• -30

j - 3 = 4

• 1

• -1

• 7

• -7

• 1

• 0

How do we isolate the variable in an equation?

• Add the coefficient on both sides.

• Subtract the coefficient on both sides.

• Perform the inverse operation of whatever is happening to the variable to one side.

• Perform the inverse operation of whatever is happening to the variable to both sides.

How do you isolate the variable in the following problem: 15 = x + 19

• Divide by 19 on both sides

• Add 19 on both sides

• Subtraction 19 on both sides

• Multiply by 19 on both sides