Question 606698
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
solve using the elimination method
10x + 11y=-26.5
20x + 5y = -27.5

-20x  - 22y= 53      |multiplying thru by -2 to eliminate the x variable
20x + 5y = -27.5
     -17y = 25.5
        y = -1.5     
 20x+5(-1.5) = -27.5 
   20x = -20
     x = -1
CHECKING our Answer***
 -10 + 11(-1.5) = -26.5