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Автор - росhjcnbr

допоможіть розв"язати рівняння: (Х*3+8)*7=98, (Х-184)*57=342, 25:(Х+6)=4

Ответ

Проверено экспертом

Автор - prettypushkova


(х * 3 + 8) * 7 = 98          (х - 184) * 57 = 342          25 : (х + 6) = 4

3х + 8 = 98 : 7                 х - 184 = 342 : 57            х + 6 = 25 : 4

3х + 8 = 14                      х - 184 = 6                       х + 6 = 6,25

3х = 14 - 8                       х = 6 + 184                      х = 6,25 - 6

3х = 6                              х = 190                             х = 0,25

х = 6 : 3

х = 2

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