Question

How do you solve the following linear system: `3x-2y=7, x+6y=12`?

Answer 1

Multily the first equation by 3 and add to the second you get

`9x+x-6y+6y=21+12=>10x=33=>x=33/10`

Replace the value of x to any of the intial equations to get

`y=29/20`