Knowee
Questions
Features
Study Tools

{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?

{xy=72x+y=1\begin{cases} \quad x - y = 7 \\ \quad 2x + y = -1 \end{cases}

  • 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
🧐 Not the exact question you are looking for?Go ask a question

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.

This problem has been solved

Similar Questions

Solve the following system of equations graphically on the set of axes below.y, equals, minus, x, plus, 2y=−x+22, x, minus, y, equals, 72x−y=7

{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

Find the solution of the system of equations.7, x, minus, 7, y, equals, 77x−7y=7minus, 4, x, minus, 7, y, equals, minus, 26−4x−7y=−26

Given the following system of equations:3𝑥−2𝑦=73x−2y=7𝑥+𝑦=−1x+y=−1Solve to find the solution to the system.

Solve the following system of equations to find 𝑥. 6𝑥−3𝑦=−48  6𝑥+9𝑦=−24   Group of answer choices𝑥=3 𝑥=−2 𝑥=2 𝑥=7 𝑥=−7

1/3

Upgrade your grade with Knowee

Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.