dalhi73p4xy7d
dalhi73p4xy7d dalhi73p4xy7d
  • 22-09-2018
  • Mathematics
contestada

how resolve x+1-2- (-x+3)=6-1(1-1)

Respuesta :

meredith48034
meredith48034 meredith48034
  • 22-09-2018
x-1+x-3=6-1(0)

2x-4=6

2x=10

x=5
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gmany
gmany gmany
  • 22-09-2018

[tex]x+1-2-(-x+3)=6-1(1-1)\\\\x+(1-2)-(-x)-(+3)=6-1(0)\\\\x+(-1)+x-3=6-0\\\\x-1+x-3=6\ \ \ \ |\text{use commutative and associative property}\\\\(x+x)+(-1-3)=6\\\\2x-4=6\ \ \ \ |\text{add 4 to both sides}\\\\2x=10\ \ \ \ \ |\text{divide both sides by 2}\\\\\boxed{x=5}[/tex]

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