Question

the sum of two number is -11. if one is 9. find the other number​

Answer 1

Answer:

let the another number be X

so 9+X=-11

X=-11-9

X=-20.

Answer 2

Answer:

$\huge\star \underline{ \boxed{ \purple{answer}}}\dag$

$\red{Let\:the\:other\:no.\:be\:x}$

$=>\:9\:+\:x\:=\:-11$

$=>\:x\:=\:-11\:-\:9$

$=>\:x\:=\:-20$

$\huge\blue{Thus,\:the\:other\:no. }$

$\huge\blue{is\:-20 }$

Step-by-step explanation:

$\mathcal\green{Hope \: it \: helps \: you\: friend}$