Respuesta :
2r +2s = 50
2r - s = 17
Multiply the top by -1
-2r - 2s = -50
2r - s = 17
-3s = -33
s = 11
Then plug 11 in the first equation to get r
2r + 2(11) = 50
2r + 22 = 50
2r = 28
r = 14
so 11 and 14
2r - s = 17
Multiply the top by -1
-2r - 2s = -50
2r - s = 17
-3s = -33
s = 11
Then plug 11 in the first equation to get r
2r + 2(11) = 50
2r + 22 = 50
2r = 28
r = 14
so 11 and 14