ROZWIĄŻ RÓWNANIA :
1 X+y =4
2
PLIS SZYBKO DAM NAJ
2. 2x-3y=5 2x-3y=5
-x+1.5y=2.5 /*2 -x+1.5y=2.5 / *2
2x-3y=5 2x-3y=5
-2x+3y=5 -2x+3y=5
0=0 0=0
chyba dobrze.:D
2.
2x - 3y = 5
-x - 1,5y = 2,5 / * - 2
-2x + 3y = -5
0=0
X+y =4 /*2
2x +y = 8
x = 3
y= 2
bo - 2*3 + 2 = 8
3 +1 = 4
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2. 2x-3y=5 2x-3y=5
-x+1.5y=2.5 /*2 -x+1.5y=2.5 / *2
2x-3y=5 2x-3y=5
-2x+3y=5 -2x+3y=5
0=0 0=0
chyba dobrze.:D
2.
2x - 3y = 5
-x - 1,5y = 2,5 / * - 2
2x - 3y = 5
-2x + 3y = -5
0=0
X+y =4 /*2
2x +y = 8
x = 3
y= 2
bo - 2*3 + 2 = 8
3 +1 = 4