Question 392526
5r-8s=-26    (mitiply 5)= 25r-40s=-130(Write equation)
8r+5s=83     (mutiply 8)= 64r+40s= 664(Write equation)
                          
25r-40s=-130(rewrite equation)
64r+40s= 664(Write equation)
89r+0s = 534(add 2 equation)
r= 534/89   (solve for y)
 r=6
subtitution r=6 for find y
5(6)-8s=-26
30 -8s =-26
     s = -26-30/-8
     s = 7