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-3t = -6 /:3
-t = -2 /:(-1)
t = 2
-2x = 14 - 4
-2x = 10 /:(-2)
x = -5
Liczę na naj.
Przerzucasz t na lewą stronę:
-3t = -6 | : (-3)
t = 2
-2x + 4 = 14
-2x = 10 | ; (-2)
x = -5