One Variable Equations Addition and Subtraction

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

What is the inverse of addition?

• multiplication

• division

• subtraction

• addition

Translate 4 more than x equals 7 into an equation and solve. 

• x+4=7
  x = 11

• x+4=7
  x = 3

• x-4=7
  x = 11

• x-4=7
  x=3

The goal when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

Which of the following is used to solve single step equations mathematically?

• substitution

• inverse operations

• frequency

• data analysis

When solving 234 + N =389, what operation would you use to find the answer

• multiplication

• addition

• subtraction

• division

How would you isolate the variable in the following equation?

• Add 4 to both sides, the answer is 16

• Divide both sides by 4, the answer is 3

• Subtract 4 from both sides, the answer is 8

• Multiply both sides by 4, the answer is 48

How would you isolate the variable for the following equation:

x - 7 = 2

• Divide both sides by 7, the answer is 125

• Add 7 to both sides, the answer is 9

• Add 2 to both sides, the answer is 9

• Multiply both sides by 7, the answer is 14