patworsley
30.11.2020 •
Mathematics
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Ответ:
16
Step-by-step explanation:
7x-5+4x-7+x=180
11x-12+x= 180
12x-12=180
+12 = +12
12x = 192
/ 12 / 12
= 16
Ответ:
2
Step-by-step explanation: