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Linear Inequalities with Fractions Score: 0/1 Penalty: none Question Watch Video Show Examples Solve the following inequality: \[ x+\frac{3}{2}<\frac{1}{4}(-6 x-2)-\frac{3}{4} \] Answer \( \square \) Submit Answer \( \phi \) or \( \cup \) \( \infty \) [,] [,) (, ]

Ask by Stephens Williams. in the United States
Jan 21,2025

Real Tutor Solution

Tutor-Verified Answer

Answer

\( x < -\frac{11}{10} \)

Solution

Let's solve the inequality step by step: \[ x + \frac{3}{2} < \frac{1}{4}(-6x - 2) - \frac{3}{4} \] 1. **Expand the right side:** \[ \frac{1}{4}(-6x - 2) = -\frac{6x}{4} - \frac{2}{4} = -\frac{3x}{2} - \frac{1}{2} \] So the inequality becomes: \[ x + \frac{3}{2} < -\frac{3x}{2} - \frac{1}{2} - \frac{3}{4} \] 2. **Combine the constants on the right side:** \[ -\frac{1}{2} - \frac{3}{4} = -\frac{2}{4} - \frac{3}{4} = -\frac{5}{4} \] Now the inequality is: \[ x + \frac{3}{2} < -\frac{3x}{2} - \frac{5}{4} \] 3. **Bring all terms involving \( x \) to the left and constants to the right:** \[ x + \frac{3x}{2} < -\frac{5}{4} - \frac{3}{2} \] Combine like terms: \[ \frac{5x}{2} < -\frac{11}{4} \] 4. **Solve for \( x \) by multiplying both sides by \( \frac{2}{5} \):** \[ x < -\frac{11}{4} \times \frac{2}{5} = -\frac{22}{20} = -\frac{11}{10} \] **Final Answer:** \[ x < -\frac{11}{10} \] In interval notation, the solution is: \[ \left( -\infty, -\frac{11}{10} \right) \]

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Mind Expander

To solve the inequality \(x + \frac{3}{2} < \frac{1}{4}(-6x - 2) - \frac{3}{4}\), let’s first simplify the right side. Distributing the \(\frac{1}{4}\) gives us \(-\frac{6x}{4} - \frac{2}{4}\), which simplifies to \(-\frac{3}{2} - \frac{1}{2} = -2\). Now we rewrite the inequality: \[ x + \frac{3}{2} < -2. \] Next, subtract \(\frac{3}{2}\) from both sides: \[ x < -2 - \frac{3}{2}. \] Converting \(-2\) into halves gives us \(-\frac{4}{2}\), thus: \[ x < -\frac{4}{2} - \frac{3}{2} = -\frac{7}{2}. \] So the solution is \(x < -\frac{7}{2}\). For a fun side note, did you know that inequalities can often represent real-life situations, like comparing temperatures, prices, or distances? They help us understand limits and constraints in everyday decisions! If you want to dive deeper into solving inequalities, check out online platforms or math workbooks that specifically focus on linear equations and inequalities. They often have interactive exercises and practical applications to keep your learning engaging and exciting!

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