One-Step Equations Vocabulary

Solve the following equation
18 = 3b

• 15

• 6

• 21

• 54

- 3 = n - 11

• -14

• 8

• -8

• 14

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.

Vocabulary: A math sentence that shows two equal expressions

• algebraic expression

• equation

• variable

• coefficient

To "SOLVE" an equation means

• the variable

• to substitute a number to the variable

• to find the unknown value of the variable

• to simplify the equation

y/3=12. What is being done to Y and what do you do to isolate the variable?

• Y is being divided by 3, so you need to divide both sides by 3.

• 3 is being added to Y, so you need to subtract 3 from both sides.

• Y is being divided by 3, so you need to multiply both sides by 3.

• Y is being divided by 3, so you need to add 3 to both sides.

x - 2 = 7

What is the first step?

• subtract 7 from both sides

• add 2 to both sides

• subtract 2 from both sides

What is the first step?

• subtract 6 from both sides

• add 6 to both sides

• subtract 8 from both sides

What is the first step?

• multiply by 4 on both sides

• subtract 2 to both sides

• divide by 2 on both sides

Mathematical statement that two expressions have the same value

• variable

• expression

• term

• equation