One Step Equations Vocabulary

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

Solve:

n - 5 = 20

• 15

• -15

• 25

• -25

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

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

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

Is this an expression or equation: d-28=41

• Equation

• Expression

Mathematical statement that two expressions have the same value

• variable

• expression

• term

• equation

A statement where two quantities are equal; contains an equal sign (=).

• Inverse Operation

• Constant

• Equation

• Term

To solve the equation,

x + 9 = 19

you need to

• add 9 to both sides

• subtract 9 from both sides

• multiply 9 to both sides

• divide both sides by 9