{x−y=72x+y=-1{𝑥-𝑦=72𝑥+𝑦=-1Which is the solution to the system of equations shown? x=-1,y=-7𝑥=-1,𝑦=-7 x=-2,y=5𝑥=-2,𝑦=5 x=-5,y=2𝑥=-5,𝑦=2 x=2,y=-5𝑥=2,𝑦=-5
Question
Which is the solution to the system of equations shown?
Solution
The solution to the system of equations can be found by adding the two equations together.
First, let's write down the system of equations:
x - y = 7 x + y = -1
If we add these two equations together, we get:
2x = 6
Then, we can solve for x by dividing both sides of the equation by 2:
x = 6 / 2 x = 3
Now that we have the value for x, we can substitute it into the first equation to solve for y:
3 - y = 7 y = 3 - 7 y = -4
So, the solution to the system of equations is x = 3, y = -4. However, this option is not listed in your choices. There might be a mistake in the problem or the provided choices.
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