Stephens Bradley
09/18/2023 · Middle School
Solve for \( u \) \[ 3 u+15=45 \]
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
To solve the equation \( 3u + 15 = 45 \), we can follow these steps:
1. Subtract 15 from both sides of the equation:
\[
3u + 15 - 15 = 45 - 15
\]
This simplifies to:
\[
3u = 30
\]
2. Next, divide both sides by 3 to isolate \( u \):
\[
\frac{3u}{3} = \frac{30}{3}
\]
This simplifies to:
\[
u = 10
\]
Thus, the solution is:
\[
\boxed{10}
\]
Quick Answer
The solution is \( u = 10 \).
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