R=numbero f reserved
g=number of generall
r+g=1787
4r+3g=5792
multiply first equation by -3 and add to second
-3r-3g=-5361
<u>4r+3g=5792 +</u>
1r+0g=431
r=431
sub
r+g=1787
431+g=1787
minus 431 both sides
g=1356
1356 general sold
421 reserved seat sold
Slope is -1 and y intercept is 8