Solving Addition Equations with Variables

4 + b = 30

• -34

• 34

• -26

• 26

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.

To check your solution. You do what first?

• Isolate the variable

• Opposite

• Substitute the variable with the answer

• Use the "Golden Rule"

The goal when solving an equation is to

• find what the variable is.

• check the solution.

• guess and check.

• combine like terms.

What is the correct step to solve for the variable?

• add 15 to both sides

• add 5 to both sides

• subtract 15 from both sides

• subtract 5 from both sides

What is the correct step to solve for the variable ?

• subtract 7 from both sides.

• add 7 to both sides.

• multiply both sides by 7

• divide both sides by 7

What is the correct step to solve for the variable ?

• add 62 to each side.

• subtract 62 from each side.

• multiply each side by 62.

• divide each side by 123

What is the correct step to solve for the variable?

• add 25 to both sides

• subtract 25 to both sides

• divide 25 on both sides

• multiply 25 on both sides

What is the correct step to solve for the variable ?

• add 11 to both sides

• subtract 11 from both sides

• divide 11 to both sides

• multiply 11 to both sides

What equation matches this story ?
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