LindsayJones5611 LindsayJones5611
  • 25-02-2016
  • Mathematics
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Solve linear equation y=4-x y=x-4

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Willchemistry
Willchemistry Willchemistry
  • 25-02-2016
{ y = 4 - x
   y = x - 4

Subsititute  y = x - 4

[ ( x - 4 )] = 4 - x ]

isolate x for ( x - 4 ) =  4  - x

x = 4

For y  = x - 4

Subsititute  x = 4

y = 4 - 4

y = 0

Solution 

x = 4  and y = 0

hope this helps!



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