tyresecoleman11 tyresecoleman11
  • 16-05-2018
  • Mathematics
contestada

x(8 + 2) + 3 = 2(5 + x) + 5(x + 1) − 6

A) −4
B) −2
C) 2
D) 4

Respuesta :

gmany
gmany gmany
  • 17-05-2018
[tex]x(8+2)+3=2(5+x)+5(x+1)-6\\\\10x+3=10+2x+5x+5\\\\10x+3=7x+15\ \ \ |-3\\\\10x=7x+12\ \ \ |-7x\\\\3x=12\ \ \ \ |:3\\\\x=4[/tex]

Answer: D) 4
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