Răspuns:
3a - 2b = b - 2a + 3c
5a=3b+3c
5a=3(b+3)
5a - 3(b+c) + 145 : 5 - 8=0+29-8=21
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Răspuns:
3a - 2b = b - 2a + 3c
5a=3b+3c
5a=3(b+3)
5a - 3(b+c) + 145 : 5 - 8=0+29-8=21