Ask question

Ask question

All categories

3 years ago

15

Enter the value for x that makes the equation 3x – 5 = 7x - 21 true.

2 answers:

Nitella [24]3 years ago

8 0

Answer:

4

Step-by-step explanation:

3x-5=7x-21

3x-7x=5-21

-4x=-16 ( divide by -4 both sides)

x= 4

AlexFokin [52]3 years ago

8 0

Answer:4

Step by step solution:

3x-5=7x-21
-5=4x-21
16=4x
x=4

You might be interested in

Consider a population of Pacific tree frogs (Pseudacris regilla). In this population of frogs, a single locus controls the produ

solniwko [45]

Answer: The answer is 62.32

Step-by-step explanation:

See attachment

6 0

3 years ago

Ms. De Leon wants to produce different sets of test questions for her essay test. If she plans to do this by putting together 3

gladu [14]

The correct answer is b

5 0

3 years ago

6. Luke weighs 25 kilograms, Han weighs 12x kilograms, and Chewie weighs 5x

kozerog [31]

Im sorry i really need to answer a question rn

5 0

3 years ago

PLEASE HELP WORTH 10 POINTS <br><br> WILL GIVE THE CROWN

Tanya [424]

Answer:

PA = 8

Step-by-step explanation:

formula is C^2 = E * (A + E)

C^2 = 4 * (12 + 4)

C^2 = 64

$\sqrt{c} = \sqrt{64}$

c = 8

C = PA = 8

8 0

3 years ago

The graph represents revenue in dollars as a function of greeting cards sold. A coordinate plane showing Greeting Card Revenue,

Travka [436]

Answer:

y=4x

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers