6(x + 5) + 2x = 54
6x + 6 · 5 + 2x = 54
8x + 30 = 54
8x = 54 - 30
8x = 24
x = 24 : 8
x = 3
Ответ: 3
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6(x + 5) + 2x = 54
6x + 6 · 5 + 2x = 54
8x + 30 = 54
8x = 54 - 30
8x = 24
x = 24 : 8
x = 3
Ответ: 3