Linear equations (one variable)

Which of the following have 7 as a solution?

Select ALL correct answers.

3x = 30

• is an example of an equation

• is an example of an expression

• is an example of a solution

• is an example of a varible

• x = 3

• x = 1

• x = -2

• x = -4

• Yes

• No

 $5-b=b-5$  

• True

• False

What value of g makes the following equation true?

11 × g = 121

• g = 1.21

• g = 11

• g = 12

• g = 1210

Consider the following equation.

x + 9 = 17

Which of the values can be substituted for x to make the equation true?

• 7

• 8

• 9

• 26

Which of the following equations have a solution of $x=8$ ? Select all that apply.

•  $48=8+5x$  

•  $70+x=62$  

•  $\frac{x}{2}-4=2$  

•  $-2=\frac{x}{4}-4$ 

•  $-2x-1=-11$  

m - 3 = -2

To check if my answer is correct I .....

• find the value of m the replace m with 1

• find the value of m the replace m with 5

Select all equations that have x = 14 as a solution.

• 3 + x = 17

• 5x = 80

• 4x = 56

• x - 28 = 14