Answer:
Explanation:
hello :
the system is : y-2x = -6 ...(*)
y-4x = 0...(**)
by (*) : y = 2x-6
by (**) : y=4x
so : 4x=2x-6
2x=6
x=6/2 = 3
but y=4x y= 4(3) = 12
one solution : (3 , 12 )
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