Question

solve this eguation3x-y=4. x-y=4
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Answer 1

Answer:

x=0 y=-4

Step-by-step explanation:

3x-y=4

x-y=4

2x=0

x=0

-y=4

y=-4

Answer 2

Answer:  

x=0

y= -4

Step-by-step explanation:

$3x-y=4..............(i)\\x-y=4...........(ii)\\Now,\\3x-y=4\\=>2x+(x-y)=4\\Now\;using\;(ii)\\2x+4=4\\=>2x=0\;\;\;=>x=0......(iii)\\using(iii)in(i)l,\\3(0)-y=4\\ => \;\;\;-y=4\\=>\;\;y=-4$

$Learning\;\;together\;:)$