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3 years ago

Solve the system of equations -5y+4x= 49 7y+2x= -23 Find X and Y Will mark Brainlest

Mathematics

1 answer:

grigory [225]3 years ago

8 0

Answer:

y = - 5 ; x = 6

Step-by-step explanation:

-5y+4x= 49

7y+2x= -23 | × - 2

-5y+4x= 49

-14y - 4x = 46

___________ +

- 5y - 14y + 4x - 4x = 49 + 46

- 19y = 95 | × - 1

19y = - 95

y = - 95 : 19

y = - 5

- 5(-5) + 4x = 49

25 + 4x = 49

4x = 49 - 25

4x = 24

x = 24 : 4

x = 6

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