Pregunta
What value of \( u \) is a solution to this equat \( 7 u=42 \) \( u=4 \quad u=6 \)
Ask by Davey Deleon. in the United States
Jan 27,2025
Solución de tutoría real
Respuesta verificada por el tutor
Responder
\( u = 6 \)
Solución
To solve the equation:
\[
7u = 42
\]
**Step 1:** Divide both sides of the equation by 7 to isolate \( u \):
\[
u = \frac{42}{7} = 6
\]
**Verification:**
- If \( u = 4 \):
\[
7 \times 4 = 28 \quad (\text{which is not equal to } 42)
\]
- If \( u = 6 \):
\[
7 \times 6 = 42 \quad (\text{which satisfies the equation})
\]
**Conclusion:**
The value of \( u \) that is a solution to the equation \( 7u = 42 \) is **\( u = 6 \)**.
Revisado y aprobado por el equipo de tutoría de UpStudy
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Simplifique esta solución Mind Expander
To solve the equation \( 7u = 42 \), you start by dividing both sides by 7. Doing this gives \( u = \frac{42}{7} \), which simplifies to \( u = 6 \). So, the solution to the equation is \( u = 6 \). Now, about why some might choose the wrong answer: it's easy to get caught up in quick assumptions. People might mistakenly think \( u = 4 \) could work by miscalculating or jumping to conclusions without verifying. Always check your math!
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