Question

$\frac{ \times + 2}{ \times - 5} = \frac{12}{5}$
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Answer 1

Răspuns:

(x+2)/(x-5)=12/5

12(x-5)=5(x+2)

12x-60=5x+10

12x-5x=10+60

7x=70=>x=70:7=>x=10

Answer 2

$\frac{x+2}{x-5}=\frac{12}{5}=>5x+10=12x-60=>12x-5x=10+60\\  \\7x=70\\\\x=70:7\\\\x=10$