Question

How do you solve `6x-3y=-5` and `x-2/3y=-1`?

Answer 1

`x=-19/3,y=-11`

Explanation:

Solving the second equation for `x` we get

`x=1+2/3y`
substituting this (for `x`) in the first equation

`6(1+2/3y)-3y=-5`
expanding

`6+4y-3y=-5`

so `y=-11`
and

`x=1+2/3*(-11)=(3-22)/3=-19/3`