Rozwiąż układ równań dowolną metodą:
x + 3y = 4
2x – y = 1
x+3y=42x-y=1
x=4-3y2[4-3y]-y=1
x=4-3y8-6y-y=1
x=4-3y-6y-y=1-8
x=4-3y-7y= -7 /:[-7]
x=4-3yy=1
x=4-3*1y=1
x=1y=1spr1+3*1=42*1-1=1
x+3y=4
6x-3y=3
7x=7
x=1
1 +3y=4
3y=3
y=1
Prosze bardzo
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x+3y=4
2x-y=1
x=4-3y
2[4-3y]-y=1
x=4-3y
8-6y-y=1
x=4-3y
-6y-y=1-8
x=4-3y
-7y= -7 /:[-7]
x=4-3y
y=1
x=4-3*1
y=1
x=1
y=1
spr
1+3*1=4
2*1-1=1
x+3y=4
6x-3y=3
7x=7
x=1
1 +3y=4
3y=3
y=1
Prosze bardzo