Respuesta :
s=seven point
t=twopoint
s+t=35
7s+2t=100
solve
multiply first equation by -2 and add to secon dequation
-2s-2t=-70
7s+2t=100 +
5s+0t=30
5s=30
divide 5
s=6
6 seven point quesitons
t=twopoint
s+t=35
7s+2t=100
solve
multiply first equation by -2 and add to secon dequation
-2s-2t=-70
7s+2t=100 +
5s+0t=30
5s=30
divide 5
s=6
6 seven point quesitons