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

Answer Posted / ravi.m

consider 2 equations...

2x-y=4..............(1)
6x-3y=?.............(2)

from equ (1)
we can write 2x-4=y
sub above Y value in equ (2)..
then we get 12 is the ans for ? mark.
so ans is 12.
if u have doubt place 12 instead of ? mark and simplify the
both equations..it will satisfied the equation.
thank u

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