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dusya [7]
3 years ago
11

2y=-8 which set of steps shows the solution to the equation

Mathematics
2 answers:
Alex Ar [27]3 years ago
8 0
2y= -8
First you want to get Y by itself.
What do you have to do to do that?
You're going to Divide leaving it .
2Y = -8
/2 /2
The 2's cancel , leaving You just solving -8 divided by 2 . Which is leave y = -4
Rainbow [258]3 years ago
6 0
2y=-8
We need to clear "y" with inverse operations.

y= -8/2      if 2 was multiplying now is dividing
y= -4

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here and buys a bag of peanuts that weighs three fourths of a pound later that week the bag is two-thirds full how much does the
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Solve the given differential equation by using an appropriate substitution. the de is homogeneous. (y2 yx) dx − x2 dy = 0
Schach [20]

The solution for the given differential equation is lnlxl = \frac{-x}{y} +C

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(y^{2} +y^{x} )dx - x^{2} dy =0

Here,

x = vy, dx = vdy + ydv

y = ux, dy = udx + xdu

Then,

((ux)^{2} +(ux)x)dx-x^{2} (udx+xdu)=0\\=u^{2} x^{2} dx+ux^{2} dx-x^{2} udx-x^{3} du=0\\=u^{2} x^{2} dx=x^{3} du\\=\frac{x^{2} }{x^{3} } dx=\frac{1}{u^{2} } du

Now,

\int\limits^a_b {\frac{1}{x} } \, dx =\int\limits^a_b {u^{-2} } \, du

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lnlxl=\frac{-1}{u} +C

y = ux

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That is lnlxl =\frac{-x}{y} +C

Learn more about differential equation here: brainly.com/question/21852102

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