Which of the following pairs of linear equations are consistent/inconsistent? If consistent, obt...

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Which of the following pairs of linear equations are consistent/inconsistent? If consistent, obtain the solution graphically:
(i) \( x+y=5 \),
\[
2 x+2 y=10
\]
- (ii) \( x-y=8, \quad 3 x-3 y=16 \)
(iii) \( 2 x+y-6=0, \quad 4 x-2 y-4=0 \)
(iv) \( 2 x-2 y-2=0, \quad 4 x-4 y-5=0 \)
\( \mathbf{P} \)
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