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Blizzard [7]
3 years ago
5

Can somebody answer these please!! Ill Mark Brainliest^^

Mathematics
2 answers:
sladkih [1.3K]3 years ago
8 0

Answer:

(0,-5)

(0,0.50)

Step-by-step explanation:

just put the number that doesn't have x with it in the answer spot but don't forget to do the (0,#) it's important that you do it like that so for example the problem y=4x-3 you would just put in the answer column (0,-3)

Levart [38]3 years ago
3 0

Answer:

1. -5

2. 0.5

3. -4

4. 8

5. 9

6. -3

7. 5

8. 0.6

9. -7

10. 10

11. -5

12. 4

13. -9

14. 4

15. -6

Step-by-step explanation:

It's just the number that doesn't have a x to the side on it

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PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
Brilliant_brown [7]

-2<em>x</em> + 6<em>y</em> = -38

3<em>x</em> - 4<em>y</em> = 32

To solve by elimination, multiply the top equation by 3 and the bottom equation by 2.

3(-2<em>x</em> + 6<em>y</em> = -38) --> -6<em>x</em> + 18<em>y</em> = -114

2(3<em>x</em> - 4<em>y</em> = 32) --> 6<em>x</em> - 8<em>y</em> = 64

Add the equations.

-6<em>x </em>+ 18<em>y</em> = -114

6<em>x</em> - 8<em>y</em> = 64

+_____________

0 + 10<em>y</em> = -50

10<em>y</em> = -50

<em>y</em> = -5

Substitute -5 for y into one of the original equations to find x.

3<em>x</em> - 4<em>y</em> = 32

3<em>x</em> - 4(-5) = 32

3<em>x</em> + 20 = 32

3<em>x</em> = 12

<em>x</em> = 4

Check work by plugging the <em>x</em>- and <em>y</em>-values into both of the original equations.

-2<em>x</em> + 6<em>y</em> = -38

-2(4) + 6(-5) = -38

-8 - 30 = 38

38 = 38


3<em>x</em> - 4<em>y</em> = 32

3(4) - 4(-5) = 32

12 + 20 = 32

32 = 32

Answer:

<em>x</em> = 4 and <em>y</em> = -5; (4, -5).

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Have a great day :)
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