Question

Solving y-4x=1 and 6x-5y=9 we get a) x=-1 b) x=2 c) x=-9 d) x=1

Answer 1

Answer:

nahi pata per

Step-by-step explanation:

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Answer 2

Answer:

$y - 4x = 1 \: \: can \: also \: be \: written \: as \\ - 4x + y = 1$

$- 4x + y = 1 - - - eqn(1) ( \times 5)\\ \\ 6x - 5y = 9 - - - - - eqn(2)( \times 1)$

$- 20x + 5y = 5 \\ \: \: \: \: \: \: 6x - 5y = 9$

add both the eqn

5y And -5y will cancel

$- 20x + 6x = 5 + 9$

$- 14x = 14$

.°.

$x = - 1$

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