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\( - 4 x + 5 > 3 - 4 x . \)

Ask by Murray Wheeler. in Russia
Jan 23,2025

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Answer

Неравенство \( -4x + 5 > 3 - 4x \) выполняется для всех действительных чисел \( x \).

Solution

Решим неравенство: \[ -4x + 5 > 3 - 4x \] 1. **Перенесём все члены с \(x\) в одну сторону, а константы в другую:** \[ -4x + 5 + 4x > 3 - 4x + 4x \] Упрощаем: \[ 5 > 3 \] 2. **Анализ результата:** Полученное утверждение \(5 > 3\) всегда истинно, независимо от значения переменной \(x\). **Вывод:** Неравенство выполняется при любом действительном числе \(x\). **Ответ:** Решение — все действительные числа \(x\).

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Beyond the Answer

In this inequality, \( - 4 x + 5 > 3 - 4 x \), you can see that the terms involving \( x \) on both sides are identical. This means that the \( -4x \) terms effectively cancel out when rearranging the inequality. What remains is \( 5 > 3 \), which is always true! This implies that the original inequality holds for all values of \( x \). So, you can confidently say that any \( x \) works here! For a fun tidbit: inequalities can sometimes have surprising outcomes! In certain cases, you'll find that simplifying leads to a universal truth, which means the solution isn’t just a specific number but an entire infinite range. In this case, play with any number you fancy—\( x = 1 \), \( x = 100 \), or even \( x = -999 \)—and you'll always find that it upholds the inequality!

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