Question

5x+8=3x+36 edfghjkdfghjklkjmhngfdsadefghjmk,l

Answer 1

5х + 8 = 3х + 36

5х - 3х = 36 - 8

2х = 28

х = 28 : 2

х = 14

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Проверка:

5 · 14 + 8 = 3 · 14 + 36

70 + 8 = 42 + 36

78 = 78 - верно.