Question

Решите уравнение:
150-х:2=140

Answer 1

150 - х:2 = 140
Х:2 = 150 - 140
Х :2 = 10
Х = 10•2
Х = 20
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Проверка
150 - 20:2 = 140
150-10 = 140
140 = 140