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Natasha2012 [34]
3 years ago
9

Justify each step. 15. 2x – 5 = –20 2x = -15 x=_15

Mathematics
1 answer:
Dimas [21]3 years ago
5 0
1st: add 5 to each side
2nd: divide by 2 on each side
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Answer:

Substitute (x+4)2−16 ( x + 4 ) 2 - 16 for x2+8x x 2 + 8 x in the equation x2+y2+8x−6y=24 x 2 + y 2 + 8 x - 6 y = 24 . (x+4)2−16+y2−6y=24 ( x + 4 ) 2 - 16 + y 2 ...

Step-by-step explanation:

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3 years ago
Which expression is equivalent to the following complex fraction?
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Answer:

<h2>A. -2y+5x/3x-2y</h2>

Step-by-step explanation:

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First we will find the LCM of the numerator and the denominator as shown below;

\frac{-2y+5x}{xy} /\frac{3x-2y}{xy}

Then we divide both equation by multiplying the numerator by the reciprocal of the denominator as shown;

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This gives the required answer

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