brimhall19327 brimhall19327
  • 07-09-2017
  • Mathematics
contestada

what is 19-3x=21+x and how do i show my work

Respuesta :

kphung76127
kphung76127 kphung76127
  • 07-09-2017
Subtract 19 from both sides
-3x=2+x

Subtract x from both sides
-4x=2

Divide both sides by -4
x=-1/2

Final answer: x=-1/2
Answer Link
Аноним Аноним
  • 07-09-2017
19-3x=21+x
Add 3x to both sides. 
19-3x+3x=21=x+3x
19=21+4x
Subtract 21 from both sides.
19-21=21+4x-21
-2=4x
Divide both sides by 4.
-1/2=x

Hope this hleped!

Answer Link

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