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answer is y = -4x+5
I will give explained answer for this wait a moment
we can isolate y in every equation
a) y = -4x+5
b) y = 4x-5
c) y= 4x-5
Now apply this y value for 4x-y = 5
in (b) , (c) , (d)
we got answer as 5 = 5
but in (a)
apply y value
4x- (-4x+5)= 5
4x +4x-5 = 5
8x = 10
we can apply this x value for y= -4x+5
so there is solution answer is (a)
y = -4x+5
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