Question

x+7y=10;2x+y=12 and this my simultaneous method​

Answer 1

Answer:

Here,

x + 7y=10 -(i)

and 2x + y =12 -(ii)

Eq.(i) x 2- 2x + 14y=20-(iii)

Eq.(ii) -- Eq.(iii),we have

2x+ y-2x-14y =12 - 20

-13y=-8

y=8/13

and x=74/13