Предмет: Математика, автор: CATUFO

ДАЮ 50 БАЛЛОВ!!!!! СРОЧНО ПОМОГИТЕ!!! ПОЖАЛУЙСТА!! ВРЕМЕНИ НЕТ!!!

реши задачу составив уравнение . Сумма неизвестного числа и числа 390 равна произведению чисел 70 и 6. Найди это число.

CATUFO: Ребят мне нужно с проверкой пожалуйста!!!

Ответы

Автор ответа: sterva112

(x+390)=70*6

Пошаговое объяснение:

(x+390)=70*6

(x+390)=300

x=390-300

x=90

CATUFO: спасибо но можешь сделать с проверкой?

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