4x -2y-4=0. 4x-4y-5=0 please send this answer I substitution method of pair of lenear equation plssssss SUBSTITUTION METHOD
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Answer:
4x-2y-4 =0
=4x-2y=4------(1)
4x-4y-5=0
=4x-4y=5------(2).
multiplying equation 1 by 2
=8x-4y=8-------(3)
substracting equation (2) by (3)
8x-4y=8
4x-4y=5
- + -
----------------
4x. =3
=x=4/3
substitution x=4/3 in equation 1
= 4x-2y=4
=4[4/3]-2y=4
=16-2y=4----------[by taking LCM]
=2y=4-16
=2y= -12
=y= -6
(x,y)= (4/3,-6)
Step-by-step explanation:
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