One Step Equations 2024

​7.1 Equations

Multiple Choice

Simplify the Expression

7 + (x + 2)

• 7x + 14

• 7x + 2

• 9 + x

• 9x

Multiple Choice

Simplify the Expression

2(3a + 4)

• 6a + 4

• 10a

• 14a

• 6a + 8

Multiple Choice

Simplify the Expression

$$\left(a4\right)4$$

• 8a

• 18a

• 16a

• $$16a^2$$

Multiple Choice

Simplify the Expression

7x + 2 + x

• 10x

• 8x + 2x

• 8x + 2

• $$8x^2$$

• equation: a mathematical sentence showing two expressions are equal.

• equals sign: =

• solve: When you replace a variable with a value that results in a true sentence

• solution: the value for the variable that makes a true sentence.

Course 1, Lesson 7-1

Expressions and Equations

Need Another Example?

Is 5, 6, or 7 the solution of the
equation 4 + b = 10?

Answer

Need Another Example?

Solve m – 5 = 2 mentally.

7

​

​

Dropdown

Is 4, 5, or 6 the solution of the equation C+8 =13?​

Select answer

Multiple Choice

Solve r-10 = 2 .

• 11

• 8

• 6

• 12

1

Need Another Example?

2

3

4

Step-by-Step Example

4.

Is 3, 4, or 5 the solution of the equation 18 = 6z?

3 3

18 = 6 •

yes

18 = 18

?

4 4

18 = 6 •

no

18 ≠ 24

?

5 5

18 = 6 •

no

18 ≠ 30

?

The solution is 3.

Need Another Example?

Is 3, 4, or 5 the solution of the equation 16 = 4s?

Think 16 divided by what number equals 8?

1

Need Another Example?

2

You know that 16 ÷ 2 = 8.

3

Step-by-Step Example

5.

Solve 16 ÷ s = 8 mentally.

16 ÷ s = 8

16 ÷ 2 = 8

8 = 8

The solution is 2.

Need Another Example?

Solve 20 ÷ d = 5 mentally.

Dropdown

Is 2, 3 or 4 a solution of the equation 4n=16​

Select answer

Multiple Choice

Solve $$24\div w\ =\ 8$$

• 12

• 20

• 2

• 3