(3х - у = 7 (х – Зу = 5​

carsontorphyulv – March 15, 2023

(3х - у = 7 (х – Зу = 5​

Jawab:

3x - y = 7 (x3)

x - 3y = 5 (x1)

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9x - 3y = 21

x   - 3y = 5

_________ -

8x = 16

x = 16/8

x = 2

3x - y = 7

3(2) - y = 7

6 - y = 7

-y = 1

y = -1

semoga membantu^^

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