Question
3x+y=15 replace X for 2
Answers
GPT-4o mini
To replace \( x \) with 2 in the equation \( 3x + y = 15 \):
1. Start with the equation:
\[
3x + y = 15
\]
2. Substitute \( x = 2 \) into the equation:
\[
3(2) + y = 15
\]
3. Calculate \( 3(2) \):
\[
6 + y = 15
\]
4. Solve for \( y \) by subtracting 6 from both sides:
\[
y = 15 - 6
\]
\[
y = 9
\]
So, when \( x = 2 \), \( y = 9 \).
1. Start with the equation:
\[
3x + y = 15
\]
2. Substitute \( x = 2 \) into the equation:
\[
3(2) + y = 15
\]
3. Calculate \( 3(2) \):
\[
6 + y = 15
\]
4. Solve for \( y \) by subtracting 6 from both sides:
\[
y = 15 - 6
\]
\[
y = 9
\]
So, when \( x = 2 \), \( y = 9 \).