Rozwiąż układ równań:
3x+y=2
5(x-y)=10
y=2-3x
5x-5y=10
5x-5(2-3x)=10
5x-10+15x=10
20x=10+10
20x=20/:20
x=1
y=2-3*1
y=2-3
y=-1
20x=20
dasz naj? ;) ;*
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3x+y=2
5(x-y)=10
y=2-3x
5x-5y=10
5x-5(2-3x)=10
5x-10+15x=10
20x=10+10
20x=20/:20
x=1
y=2-3x
y=2-3*1
y=2-3
y=-1
3x+y=2
5(x-y)=10
y=2-3x
5x-5y=10
5x-5y=10
5x-5(2-3x)=10
5x-10+15x=10
20x=20
x=1
x=1
y=2-3x
x=1
y=-1
dasz naj? ;) ;*