ameliawhite325 ameliawhite325
  • 22-08-2014
  • Mathematics
contestada

(2x+1)+(×-10)=90


how do i solve this

Respuesta :

luana
luana luana
  • 22-08-2014
[tex](2x+1)+(x-10)=90\\2x+1+x-10=90\\2x+x=90-1+10\\3x=99\ \ \ \ \ \ \ \ \ \ \ \ \ \ |:3\\x=33[/tex]
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