Решите уравнение 5х+4х+х=200

Question

Решите уравнение
5х+4х+х=200

Answer 1

Х=20 будет ответ, точно

Comments

5х+4х+х=200

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9х+х=200

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10х=200

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Х=200:10

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бы понятно

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ды

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Х=20

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Точно:х=20

Answer 2

(5+4+1)х=200;
10х=200;
х=200:10;
х=20