Question
system of equations is shown.
2
x
−
y
=
15
y
=
9
2x−y=15
y=9
What is the value of
x
x in the solution to this system?
2
x
−
y
=
15
y
=
9
2x−y=15
y=9
What is the value of
x
x in the solution to this system?
Answers
There are no human answers yet.
Answered by
GPT-4o mini
To solve the system of equations given:
1. \( 2x - y = 15 \)
2. \( y = 9 \)
We can substitute the value of \( y \) from the second equation into the first equation.
Substituting \( y = 9 \):
\[
2x - 9 = 15
\]
Now, we will solve for \( x \):
1. Add 9 to both sides:
\[
2x = 15 + 9
\]
\[
2x = 24
\]
2. Divide both sides by 2:
\[
x = \frac{24}{2}
\]
\[
x = 12
\]
Thus, the value of \( x \) in the solution to this system is \( \boxed{12} \).
1. \( 2x - y = 15 \)
2. \( y = 9 \)
We can substitute the value of \( y \) from the second equation into the first equation.
Substituting \( y = 9 \):
\[
2x - 9 = 15
\]
Now, we will solve for \( x \):
1. Add 9 to both sides:
\[
2x = 15 + 9
\]
\[
2x = 24
\]
2. Divide both sides by 2:
\[
x = \frac{24}{2}
\]
\[
x = 12
\]
Thus, the value of \( x \) in the solution to this system is \( \boxed{12} \).
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