3 years ago

Solve: X=4+(4x-4)

Mathematics

1 answer:

11111nata11111 [884]3 years ago

3 0

Answer:

answer is 10

Step-by-step explanation:

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2 years ago

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2 years ago

Subtracting rational expressions:<br><br> 6 - x+5/(7x-5)(x+4)<br><br> Please show work

velikii [3]

<h3>Answer:</h3>

$\dfrac{42x^2+137x-125}{7x^2+23x-20}$

<h3>Explanation:</h3>

You know that the sum of a number and a fraction is ...

... a + b/c = (ac +b)/c

Here, you have ...

... a = 6

... b = -(x+5)

... c = (7x-5)(x+4) = 7x² +23x -20

Then ...

... (ac +b)/c = (6(7x² +23x -20) -(x +5))/(7x² +23x -20)

... = (42x² +138x -120 -x -5)/(7x² +23x -20)

... = (42x² +137x -125)/(7x² +23x -20)

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2 years ago