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Lunna [17]
4 years ago
6

Solve only for x: 3(x-y)=8(x+z)

Mathematics
2 answers:
pshichka [43]4 years ago
6 0

Answer:

x=-8z/5 - 3y/5

Step-by-step explanation:

distributive prop

3x-3y=8x+8z

isolate x by moving 8x to the left, and -3y to the right

-5x=3y+8z

divide by -5 on both sides.

x=-8z/5 - 3y/5

alina1380 [7]4 years ago
6 0

Answer:

Step-by-step explanation:

3(x - y) = 8(x + z)

3x - 3y = 8x + 8z

-3y - 8z = 8x - 3x

-3y - 8z = 5x

(-3y - 8z) / 5 = x ....or could also be written like : x = -3/5y - 8/5z

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Q 06. Payson is thrice as fast as Amen at completing a task. They both pick up a task together, and complete it in 5 days. How m
crimeas [40]

Fraction are ratio of two integers. It will take Amen 20 days to do the task alone

<h3>Proporions and fractions</h3>

From the given question, we have the following information

Let the number of days Amen can take to complete a task be x

If Payson is thrice as fast as Amen at completing a task, then the number of das Payson takes will be 3x

If they both pick up a task together, and complete it in 5 days, then;

1/x + 1/3x = 1/5

Find the LCM
3+1/3x = 1/5

4/3x = 1/5

Cross multiply

3x = 20

Determine the time taken by Amen:

x =20/3

This shows that it will take Amen 20 days to do the task alone

Learn more on proportions here: brainly.com/question/19994681

6 0
3 years ago
ILL GIVE BRAINLIEST
brilliants [131]

Answer:

360,450

Step-by-step explanation:

First find 19 percent of 455,000

19*445000= 8455000

8455000/100= 84550

Then subtract:

445,000-84,550= 360,450

Hope this helps! :) Pls mark brainliest if correct :)

6 0
3 years ago
What percent of 125 is 65?
Verdich [7]
What percent of 125 is 65? 192.307%
3 0
4 years ago
Help! I need this done immediately!
wel

Answer:

280

Step-by-step explanation:

4 0
3 years ago
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If 9 to the power of x = 27, what is x. Method as well plz!
e-lub [12.9K]
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4 years ago
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