3 years ago

-8x+4y=28 solve for y

2 answers:

8 0

This is how I would do it:
-8x=28-4y divide the entire equation by 4
-2x=7-y Put y back on the left and put x on the right
y=7-2x.

mina [271]3 years ago

7 0

-8x+4y=28 You need to subtract -8x from both sides leaving:
4y=8x+28 From here you need to divide by 4 on both sides leaving:
y= 8x+28/4 Simplify:
y=2x+7

You might be interested in

Write the equation of the line with slope =7 and y- intercept= -1

Aliun [14]

Answer:

y = 7x - 1 is the answer to the question

4 0

2 years ago

The inequality x < 9 or x ≥ 14 can be used to represent the hourly wage, x, of each employee at a store. Which are possible v

Elodia [21]

Answer:

$11, $13, $14

Step-by-step explanation:

all of those answers are greater than $9 but less than or equal to $14.

7 0

3 years ago

How could you convert<br> the 3/8of an inch into sixteenths?

BARSIC [14]

Answer:

6/16

Step-by-step explanation:

To get 16ths multiply both the top and bottom by 2

3*2=6

8*2=16

6/16ths =0.375

3/8ths=0.375

4 0

3 years ago

Marigold read the same number of books each month during the first half of the year.she read 30 books in all. write an equation

ivann1987 [24]

B=30 divided by 6
The answer is 5.

6 0

3 years ago

If a cylinder has a volume of 1582.56 and a cube has the same volume how do you find the side lenght of the cube?

kipiarov [429]

Answer: 11.65 Answer: The area of a cube = side x side x side or side^3. So all you need to do is take the cubed root of 1582.56 which is approximately 11.65

7 0

3 years ago