Question

How do you solve y=x-1 and x+y=3?

Answer 1

`x=2`
`y=1`

Explanation:

Substitute the y in x+y=3 to get:
`x + (x-1) = 3`.

Then solve for x:
`2x-1=3`
`2x=4`
`x=2`

Then solve for y:
`x+y=3`
`2+y=3`
`y=1`

Therefore, your final answer is:
`x=2`
`y=1`