Решите систему уравнений
5х-3у=4
5х+у=-8
5х - 3у = 4
15х +3у = -8
20х=-4
х=-0.2
-1-3у = 4
3у=3
у=1
у=-8-5х
5х-3(-8-5х)=4
5х+24+15х=4
20х=4-24
20х=-20
х=-1
у=-8-5*(-1)
у=-3
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5х - 3у = 4
15х +3у = -8
20х=-4
х=-0.2
-1-3у = 4
3у=3
у=1
у=-8-5х
5х-3(-8-5х)=4
5х+24+15х=4
20х=4-24
20х=-20
х=-1
у=-8-5*(-1)
у=-3