Question 631148
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
a+8b =  9 
<u>a+3b= -1</u>   || subtracting the 2nd EQ fro the 1 Eq to eliminate the a-variable
    5b = 10
     b = 2   and a = -7   {{{a + 3*2 = -1}}}