What does it mean to isolate a variable?

To manipulate an equation so that the variable is on one side and all other terms are on the other side.

What is the purpose of solving equations?

To find the value of the unknown variable that makes the equation true.

How can you verify your answer after solving an equation?

By substituting the solution back into the original equation.

Solving Single Step Equations Flashcard Flashcards

Student preview

18 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Solve for $x$ : $x + 5 = 12$

Back

$x = 7$

2.

FLASHCARD QUESTION

Front

Solve for $d$ : $d - 7 = 3$

Back

$d = 10$

3.

FLASHCARD QUESTION

Front

Solve for $g$ : $3g = 21$

Back

$g = 7$

4.

FLASHCARD QUESTION

Front

Solve for $x$ : $x - 7 = 2$

Back

$x = 9$

5.

FLASHCARD QUESTION

Front

Solve for $f$ : $f + 6 = 15$

Back

$f = 9$

6.

FLASHCARD QUESTION

Front

What is a single-step equation?

Back

An equation that can be solved in one step by performing a single operation (addition, subtraction, multiplication, or division).

7.

FLASHCARD QUESTION

Front

What is the first step to solve $x + 5 = 12$ ?

Back

Subtract 5 from both sides to isolate $x$ .

8.

FLASHCARD QUESTION

Front

How do you check your solution for $d - 7 = 3$ ?

Back

Substitute $d = 10$ back into the equation: $10 - 7 = 3$ .

9.

FLASHCARD QUESTION

Front

What operation is used to solve $3g = 21$ ?

Back

Divide both sides by 3.

10.

FLASHCARD QUESTION

Front

What is the solution to $x - 7 = 2$ ?

Back

$x = 9$ .

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