Question 609087
  <pre><font face = "Tohoma Ital" size = 3 color = "indigo"><b> 
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