277186
277186 277186
  • 20-12-2021
  • Mathematics
contestada

What is 2+2+?+10+?-2+9=?

Respuesta :

silirobert15
silirobert15 silirobert15
  • 31-12-2021

[tex]2+2+x+10+x-2+9=x\\2+2+x+10+x-2+9 -x=0\\(2+2+10-2+9)+(x+x-x)=0\\21+x=0\\x=-21[/tex]

ANSWER: ? = -21

P/s: ? = x < let ? is x >

ok done. Thank to me :>

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