Milenacseid
Milenacseid
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5x-7>3x+1>6x-11
Respuesta :
Анонимid
Анонимid
>= , mayor igual
5x-7>= 3x+1>= 6x-11
|_____| |_____|
5x -7 >= 3x+1 3x+ 1 >= 6x - 11 5x - 7 >= 6x -11
2x >= 8 12 > =3x 4 >= x
x>= 4 4>=x x€ (-oo ; 4]
x € [ 4;+oo) x€ (-oo;4]
Intersectamos y nos da que :
x = {4}
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