Question

How do you solve this system of equations: `x+ y = 2 and y = \frac { 1} { 2} x - 7`?

Answer 1

See below...

Explanation:

`x+y=2`
`=>y=2-x`
We have ,`y=1/2x-7`
Hence we can write
`2-x=1/2x-7`
`=>3/2x=9`
`=>x=6`
As this we can get `y` is `(2-6)=-4`
Hope it helps...
Thank you...