baobaotran456789 baobaotran456789
  • 23-04-2017
  • Mathematics
contestada

Write each equation in ax + by = c form
1. y= 5 - 3x
2. x= 2y - 3

Respuesta :

irspow
irspow irspow
  • 23-04-2017
y=5-3x   add 3x to both sides

3x+y=5

...

x=2y-3  subtract 2y from both sides

x-2y=-3   (by convention x should have a positive coefficient)
Answer Link
mindlessmill
mindlessmill mindlessmill
  • 23-04-2017
1. Subtract the y on both sides and get 0=5-3x-y
Then subtract the on both sides and get the answer
-3x-y=-5

2. Substructure 2y on both sides and get the answer
x-2y=-3
Answer Link

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