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Dmitrij [34]
3 years ago
5

What is the solution for this eqaution:-5x – 25 = 5x + 25​

Mathematics
1 answer:
Kisachek [45]3 years ago
3 0

Answer:

x = -5

Step-by-step explanation:

Start by adding the 5x to each side of the equation to the left to get...

-25 = 5x + 25 + 5x

Then you would add 25 to each side of the equation to get...

0 = 10x + 25 + 25

Adding on, you would simplify this step to get...

0 = 10x +50

You would now have to make the x variable on one side alone so you would subtract 50 from both sides of the equation again to get...

-50 = 10x

Finally you would divide both sides of the equation by 10 to get x alone...

-50/10 = 10x/10

And simplify that to get...

x = -5

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Rearrange the equation a = 1/2 b to make b the formula
Evgesh-ka [11]

Answer: b = 2a

Step-by-step explanation:

<u>Original equation</u>

a = (1/2) b

<u>Multiply 2 on both sides</u>

a * 2 = (1/2) b * 2

\Large\boxed{b=2a}

Hope this helps!! :)

Please let me know if you have any quesitons

8 0
1 year ago
Read 2 more answers
PLEASE HELP ASAP!!!!
lina2011 [118]
<h3>Answer:</h3>

System

  • p + m = 10
  • 0.8m = 0.4·10

Solution

  • p = m = 5 — 5 lb peanuts and 5 lb mixture
<h3>Step-by-step explanation:</h3>

(a) Generally, the equations of interest are one that models the total amount of mixture, and one that models the amount of one of the constituents (or the ratio of constituents). Here, there are two constituents and we are given the desired ratio, so three different equations are possible describing the constituents of the mix.

For the total amount of mix:

... p + m = 10

For the quantity of peanuts in the mix:

... p + 0.2m = 0.6·10

For the quantity of almonds in the mix:

... 0.8m = 0.4·10

For the ratio of peanuts to almonds:

... (p +0.2m)/(0.8m) = 0.60/0.40

Any two (2) of these four (4) equations will serve as a system of equations that can be used to solve for the desired quantities. I like the third one because it is a "one-step" equation.

So, your system of equations could be ...

  • p + m = 10
  • 0.8m = 0.4·10

___

(b) Dividing the second equation by 0.8 gives

... m = 5

Using the first equation to find p, we have ...

... p + 5 = 10

... p = 5

5 lb of peanuts and 5 lb of mixture are required.

8 0
3 years ago
Find the product. <br> (2xyz) (-4x2yz)<br><br> PLEASE HELP!!! ASAP!!!
melamori03 [73]

Answer:

-16x^{2} y^{2}z^{2}

Step-by-step explanation:

Let's calculate the answer to the second parenthesis. Just multiply throughout to get -8xyz. Then, multiply the first parenthesis by the second. Multiply the constants (-8 and 2) first to get -16, multiply the x's together to get x^2, the y's together to get y^2, and the z's together to get z^2. Put it all together to get -16x^{2} y^{2}z^{2}.

6 0
3 years ago
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In order to select new board members, the French club held an election. 50% of the 52 members of the club voted. How many member
kiruha [24]

Answer:

26 Members Voted

Step-by-step explanation:

50 % is 50/100

Voted = (50/100) X 52 = 52/2 = 26

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3 years ago
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Please help me write this in y=mx+b (show work please)
drek231 [11]

Answer:

y=5/2 +10

Step-by-step explanation:

Find the slope.: Do 15-10 OVER 2-0. This gets you the slope 5/2

Find the y intercept: The y intercept is easy. It is just when the x is 0. You can also think of the y axis as when the line TOUCHES the y axis .

4 0
2 years ago
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