isabellagaray10
isabellagaray10 isabellagaray10
  • 20-02-2017
  • Mathematics
contestada

Solve by substitution.
Y=x+3
Y=5x-5

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christopherables
christopherables christopherables
  • 20-02-2017
y=4x=-8 should be the right answer 

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altavistard
altavistard altavistard
  • 20-02-2017
Here you have two linear equations for 'y.'  Since you are to use the substitution method, replace 'y' in the first equation with '5x-5' from the second equation.  This eliminates 'y' and gives you a single equation in 'x.'  Please solve this equation for the numeric value of 'x.'
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