Question

3x - y =21

Andar ::: ??​

Answer 1

Answer:

3x - y =21

x - y = 21 / 3

x-y = 7

hence, x - y = 7

Answer 2

Answer:

3x-y=21

3x-y+y=21+y

3x=21+y

3x/3=21/3+y/3

x=21+y/3

Step-by-step explanation:

The answer is correct

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