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Alex Ar [27]
3 years ago
10

Find the solution to the system of 5x+2y=-24 x-y=5

Mathematics
2 answers:
Mashutka [201]3 years ago
4 0
So to do this, we have to get rid of one of the variables by adding or subtracting the two equations together.
I will get rid of y. So, we can multiply the second equation by 2. This gives us
2x-2y=10
Now, we can add both equations
This gives us 7x=-14
Therefore, x = -2
Plug that into another equation.
-10 + 2y=-24
Therefore, y = -7

Hope this helped!! :D
Damm [24]3 years ago
4 0
5x + 2y = -24 ⇒ 5x + 2y = -24
1x -  1y =    5 ⇒<u> 2x -  2y =  10</u>
                                  <u>7x</u> = <u>-14</u>
                                   7       7
                                     x = -2
                                x - y = 5
                              -2 - y = 5
                            <u>+ 2       + 2</u>
                                   <u>-y</u> = <u>7</u>
                                   -1   -1
                                     y = -7
                               (x, y) = (-2, -7)
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<h3>What is the total slack?</h3>

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Learn more about slack time here:

brainly.com/question/13278483

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