-5х+3у=-15
2х+7у=47
-3x+10y=32
y=(3x+32)/10
2x+7*(3x+32)/10-47=0
20x+7(3x+32)-470=0
41x-246=0
x=6
y=(3*6+32)/10
y=5
-5х+3у=-15
2х+7у=47
-3x+10y=32
y=(3x+32)/10
2x+7*(3x+32)/10-47=0
20x+7(3x+32)-470=0
41x-246=0
x=6
y=(3*6+32)/10
y=5