Решите неравенство 5(x-2)

Question

Решите неравенство 5(x-2)

Comments

5(x-2)<x-2(5-x)

Answer 1

5x-10. а чему равно?

Comments

5x-10<10-2x

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5x+2x<10=10

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не= а +

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7x<20

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x<20/7

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(20/7;+,бесконечности)