9(143-13x)=234 помогите плиз!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
9(143-13x)=234 помогите плиз!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Ответ(ы) на вопрос:
Гость
234:9=26 143-26=117 117:13= 9 x=9
Гость
9(143-13x)=234
143-13x=234:9
143-13x=26
143-26=13x
117=13x
117:13=x
9=x
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Ответ:9
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