Question

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Answer 1

6x - 2y = 8

Explanation:

If:

3x - y = 4

⇒ 4* 2 = 8

then:

3*2 = 6

-1 * 2 = -2

The answer is:

6x - 2y = 8

Answer 2

Answer:6x-2y=8

Explanation:

`\left \{ {{3x-y=4} \atop {Ax-By=8}} \right. \\(3x)/(Ax) =(y)/(By) =(4)/(8)=(1)/(2)\\(3)/(A) =(1)/(2)\\A=6\\(1)/(B) =(1)/(2)\\B=2\\so, 6x-2y=8`