3 years ago

Question 13 y-5x= -4

Mathematics

1 answer:

Julli [10]3 years ago

5 0

Which variable are we solving for?

For y:

y= 5x-4/ 13

For x:

x= 13y+4/ 5

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Yes because the unit rate would be 1:2 and that's the rate of change in which 3:5 has.
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2 years ago

Solve the rational equation x divided by 6 equals x squared divided by quantity x minus 1 end quantity, and check for extraneous

Dmitriy789 [7]

Answer:

Solution: $x=-\frac{1}{5}$ , $x=0$

Step-by-step explanation:

Given:

The rational equation to solve is given as:

$\frac{x}{6}=\frac{x^2}{x-1}$

Doing cross product, we get:

$x\times (x-1)=6\times x^2\\x^2-x=6x^2\\\textrm{Bringing all variables to the right side, we get:}\\6x^2-x^2+x=0\\5x^2+x=0\\x(5x+1)=0\\x=0\ or\ 5x+1=0\\x=0\ or\ x=-\frac{1}{5}$

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Also, $x=-\frac{1}{5}$ is also a solution.

So, no extraneous solution.

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