SOLUTION: Solve the system: 10x+y=-21 Y=5x-6

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Question 609087: Solve the system:
10x+y=-21
Y=5x-6
Found 2 solutions by ewatrrr, Alan3354:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

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) About Me  (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