Ответ:
3(a+1)−4(a−2)⩾30a
3a+3−4a+8⩾30a
3a−4a−30a⩾−11
−31a⩾−11
a⩽
31
11
a∈(−∞;
]
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Ответ:
Ответ:
3(a+1)−4(a−2)⩾30a
3a+3−4a+8⩾30a
3a−4a−30a⩾−11
−31a⩾−11
a⩽
31
11
a∈(−∞;
31
11
]