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frez [133]
4 years ago
9

What is 3x + 11 equals 5x minus 9

Mathematics
2 answers:
Iteru [2.4K]4 years ago
8 0
Here are the steps for the equation:
3x+11=5x-9
subtract 3x
11=2x-9
add 9
20=2x
divide by 2
10=x
switch sides
x=10  

Hope this helps! :)
Ymorist [56]4 years ago
6 0
The answer is x=10,

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A fruit company delivers its fruit in two types of boxes: large and small. Delivery of 8 large boxes and 4 small boxes has a tot
erma4kov [3.2K]

Answer:

x = 18.5 (large) , y = 6.25 (small)

Step-by-step explanation:

Let's start by assigning variables to each type of box.

The large box we will call "x"

The small box we will call "y"

We know that 8x + 4y = 173 (kilograms)

And 3x + 2y = 68 (kilograms)

Since we set up a system of equations, we can now use elimination, by multiplying the entire bottom equation by -2, to get rid of the "y" variable.

8x + 4y = 173

3x(-2) + 2y(-2) = 68(-2)

-6x + -4y = -136  (side note: notice how the "y"'s would cancel each other out because -4y + 4y equals 0)

Add equations together:

2x = 37

x= 18.5

Now that we have x, just substitute it into any of the equations to get y.

You will see that y = 6.25

Please mark this brainliest, and I hope this helps!

5 0
3 years ago
How far is the point (12, 5) from the origin
dolphi86 [110]
You didn’t show a picture
4 0
3 years ago
Read 2 more answers
What is 6/10 simplified
Komok [63]
6/10 = 3/5

Simply divide the numerator and denominator of 6/10 by 2. 6/10 is the same as 3/5.
5 0
4 years ago
Read 2 more answers
What is the area of the figure below? <br><br> 7.5m^2<br> 15m^2<br> 21.25m^2<br> 42.5m^2
Novay_Z [31]
The answer is c!!! hope this helps!!!
7 0
3 years ago
Read 2 more answers
the length of a side of a square is 10x+4 units. If the perimeter is 96 units. What is the area of the square?​
dmitriy555 [2]

Answer:

576 Units

Step-by-step explanation:

The way your teacher wants you to do it:

1. We know that multiplying a length by four gives us the perimeter of a square.

1a. Thus, we multiply the given length by four. 4(10x+4)=40x+16

1b. We know the perimeter is 96. So: 40x+16=96

2. Solving for x, we get x=2

3. Plugging our solved x into the given length  (10x+4), we see that the length of a side of the square is 10*2+4=24.

4. We know that the area of a square can be found by squaring the side of a square.

4a. 24*24=576.

5. The area is 576 units.

--------------------------------------------------------------

Easier Solution:

1. We know that the perimeter is length*4.

2. We set L to length.

2a. 4L=96

2b. L=24

3. We know that the length square is area.

4. 24*24=576.

4 0
3 years ago
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