Hi

Solve the system: Will use substtution

10x+y=-21

    Y=5x-6 

 10x + (5x-6) = -21

      15x = -15

       x = -1  and y = -11  (5·-1 -6)

CHECKING our Answer***

 -10 + (-11) = -21 

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
 Solve the system:

10x+y=-21

y=5x-6

----------

10x+y=-21

Sub for y

10x + (5x-6) = -21

15x = -15

x = -1

----------

y = -11

 

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