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madisin21
28.09.2020 •
Mathematics
-78 = 8 (4 + 7x) + 6(-1 + 8x)
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Ответ:
56x = -152
Step-by-step explanation:
8(4+7x) + 6(-1 + 8) = -78
32 + 56x - 6 + 48 = -78
32 + 48 - 6
74 + 56x = -78
-74 -74
56x = -152
Ответ:
6=4 this in untrue
Step-by-step explanation:
6 = -5 + 9
6 = 4
6=4
this is untrue