2x-y=4 then 6x-3y=?

Answer Posted / brijesh(brijrat)

2x-y=4
here there are diff. combination of x and y form suppose
x=2 and y=0,
x=3 and y=2,
x=4 and y=4 etc
now we have given equestion 6x-3y=?
put any combination of value the ans is 12

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