5х-4у=16
х-2у=6
x=(16+4y)/5
x=6+2y
(16+4y)/5=6+2y
16+4y=30+10y
6y=-14
y=-7/3
x=6-2*7/3
x=4/3
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5х-4у=16
х-2у=6
x=(16+4y)/5
x=6+2y
(16+4y)/5=6+2y
x=6+2y
16+4y=30+10y
x=6+2y
6y=-14
x=6+2y
y=-7/3
x=6-2*7/3
y=-7/3
x=4/3