Question

Simultaneous equation
×-5y=10
3×+y=6

Answer 1

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Answer 2

in equation (i)

$x - 5y = 10$

$x = 10 +5y$

in equation (ii)

$3x + y = 6$

$y = 6 - 3x$

in (i) [putting the value of y]

$x = 10 + 5 ( 6 - 3x)$

$x = 10 + 30 - 15x$

$x = 40 - 15x$

$16x = 40$

$x = 5/2$

in (ii) [putting the value of x]

$y = 6 - 3 \times 5/2$

$y = 6 - 24/3$

$y = - 3/2$