Решите неравенство: 6-5(8-8 х)> 54 х-20

Question

Решите неравенство: 6-5(8-8 х)> 54 х-20

Answer 1

6-5(8-8x)≥54x-20
6-40+40x≥54x-20
40x-54x≥-20+40-6
-14x≥14   / (-1)
14x≤-14
x≤14/14
x≤1

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