Rozwiąż równania :
6 - 5x = 2x - 7
-5t + 1 = 8 - 6t
13 = 7x
x = 7/13
-t = -7
t = 7
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6 - 5x = 2x - 7
13 = 7x
x = 7/13
-5t + 1 = 8 - 6t
-t = -7
t = 7