afar0800
afar0800 afar0800
  • 23-03-2021
  • Mathematics
contestada

pls help me its very hard

pls help me its very hard class=

Respuesta :

sss171717
sss171717 sss171717
  • 23-03-2021

Answer:

-6 ?

Step-by-step explanation:

90+50=140

180-140=40

x=-6

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