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J0S3PHK J0S3PHK
  • 17-03-2016
  • Mathematics
Answered

substitute 2x+y=-6 3x+y=-10

Verified Answer :

Anonymous Anonymous
  • 17-03-2016

// Solve equation for the variable  y  
 y = -3x + 10Plug this in for variable  y  in equation [1]2x - (-3x+10) = -6
  5x = 4Solve equationfor the variable  x  x = 4
 = 4/5 x = 4/5
y = -3x+10b
Use the  x  value to solve for  y  

 y = -3(4/5)+10 = 38/5
Solution : {x,y} = {4/5,38/5} 


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