Question

4x - 2y =2
7x - 2y =20
_________​

Answer 1

Answer:

y =-3

X=2

__

Step-by-step explanation:

1 st equation ok

2x-3y =13×7

72-2y =×2

14x-21y=91

14x-4y =40

______

-17y=51

y =-51

__=3

17

y =-3

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