Question

2x-y=2 ; x-3y=15 (substitution method)

Answer 1

Answer:

$x = - \frac { 9}{5} \: \: and \: \: y = - \frac{28}{5}$

Step-by-step explanation:

2x–y= 2 ----( 1 )

x–3y= 15 ----( 2 )

:. y= 2x–2 ----( from 1 )

put , y = 2x–2 in equation 2

:. x–3( 2x–2 ) = 15

:. x–6x + 6 = 15

:. –5x = 15 – 6

:. –5x = 9

$x = - \frac{9}{5}$

put the value of x in equation 1, we get

$y = - \frac{28}{5}$

Hope it will help you.