Question

-3х – 4 y = 2 6x+6y=-6​

Answer 1

x=-2

y=1

Explanation:

Rewrite first equation to get:

`x=-(2+4y)/(3)`

Substitute into second equation:

`6\left(-(2+4y)/(3)\right)+6y=-6`

`-2y-4=-6`

`y=1`

Substitute y=1 into any equation:

`x=-(2+4y)/(3)`

`x=-(2+4\cdot \:1)/(3)`

`x=-2`