Question
The system of equations is graphed on the coordinate plane.
y=−x−2y=3x+2
Enter the coordinates of the solution to the system of equations in the boxes.
y=−x−2y=3x+2
Enter the coordinates of the solution to the system of equations in the boxes.
Answers
Answered by
GPT-4o mini
To find the solution to the system of equations given by:
1. \( y = -x - 2 \)
2. \( y = 3x + 2 \)
we can set them equal to each other since they both equal \( y \):
\[
-x - 2 = 3x + 2
\]
Now, let's solve for \( x \):
1. Add \( x \) to both sides:
\[
-2 = 4x + 2
\]
2. Subtract \( 2 \) from both sides:
\[
-4 = 4x
\]
3. Divide by \( 4 \):
\[
x = -1
\]
Now that we have \( x = -1 \), we can substitute it back into either equation to find \( y \). We'll use the first equation:
\[
y = -(-1) - 2 = 1 - 2 = -1
\]
Thus, the coordinates of the solution to the system of equations are:
\[
(x, y) = (-1, -1)
\]
Therefore, the answer is:
\[
\text{Coordinates: } (-1, -1)
\]
1. \( y = -x - 2 \)
2. \( y = 3x + 2 \)
we can set them equal to each other since they both equal \( y \):
\[
-x - 2 = 3x + 2
\]
Now, let's solve for \( x \):
1. Add \( x \) to both sides:
\[
-2 = 4x + 2
\]
2. Subtract \( 2 \) from both sides:
\[
-4 = 4x
\]
3. Divide by \( 4 \):
\[
x = -1
\]
Now that we have \( x = -1 \), we can substitute it back into either equation to find \( y \). We'll use the first equation:
\[
y = -(-1) - 2 = 1 - 2 = -1
\]
Thus, the coordinates of the solution to the system of equations are:
\[
(x, y) = (-1, -1)
\]
Therefore, the answer is:
\[
\text{Coordinates: } (-1, -1)
\]
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