15-07-2018
Mathematics

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I’m confused on this one

Im confused on this one class=

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Supernova Supernova

15-07-2018

[tex] \frac{x}{x-2} [/tex] = [tex] \frac{5}{7} [/tex]

Cross multiply. (7)(x) = (5)(x - 2)

7x = 5x - 10

Subtract 5x from both sides.

2x = -10

Divide both sides by 2.

x = -5

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