2x+3=4
8x-5y=-1
3x-2y=5
2x-y=4
Plis na jutro pilne!
2x = 1
x = 1/2
8*1/2 - 5y = -1
4 - 5y = -1
-5y = -5
y = 1
-----
y = 2x-4
3x - 2(2x-4) = 5
3x -4x +8 = 5
-x = -3
x = 3
y = 2
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2x+3=4
8x-5y=-1
2x = 1
x = 1/2
8*1/2 - 5y = -1
4 - 5y = -1
-5y = -5
y = 1
-----
3x-2y=5
2x-y=4
y = 2x-4
3x - 2(2x-4) = 5
3x -4x +8 = 5
-x = -3
x = 3
y = 2