Rozwiąż układ równań
x-2y=2
-2(x-6)=3(2-y)+1
x - 2y = 2
-2x + 12 = 6 - 3y + 1
x - 2y = 2 /*2
-2x + 3y = - 5
2x - 4y = 4
-2x + 3y = -5
------------------------
-y = -1
y = 1
x - 2 = 2
x = 2 + 2
x = 4
Rozwiązanie w załączniku
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x - 2y = 2
-2x + 12 = 6 - 3y + 1
x - 2y = 2 /*2
-2x + 3y = - 5
2x - 4y = 4
-2x + 3y = -5
------------------------
-y = -1
y = 1
x - 2y = 2
x - 2 = 2
x = 2 + 2
x = 4
x = 4
y = 1
Rozwiązanie w załączniku