Question

How do you solve the following linear system: `4y = 11 - 3x, x+1/2y=-1/2`?

Answer 1

`x=-3,y=5`

Explanation:

From the first equation we get

`y=(11-3x)/4`
plugging this in the second one

`2x+(11-3x)/4=-1`
multiplying by `4`

`8x+11-3x=-4`
so we get

`x=-3`

`y=5`