Respuesta:
A) 1
Explicación paso a paso:
* [tex]\frac{x-2}{4-x}[/tex] = [tex]\frac{x+1}{7-x}[/tex]
( x - 2 ) ( 7 - x ) = ( 4 - x ) ( x + 1 )
9x - x² - 1 4 = 3 x - x² + 4
9x - 3x = x² - x² +4 + 14
3x = 18
x = 3
Pide: AC= 4 - x = 4- 3 = 1 Rpta
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Respuesta:
A) 1
Explicación paso a paso:
* [tex]\frac{x-2}{4-x}[/tex] = [tex]\frac{x+1}{7-x}[/tex]
( x - 2 ) ( 7 - x ) = ( 4 - x ) ( x + 1 )
9x - x² - 1 4 = 3 x - x² + 4
9x - 3x = x² - x² +4 + 14
3x = 18
x = 3
Pide: AC= 4 - x = 4- 3 = 1 Rpta