Question

How do you solve the system y=3 and 2x - 4y =1?

Answer 1

see below

Explanation:

We have,`y=3` and `4y=2x-1`
Substituting the value of y in second equation,we get,
`4xx3+1=2x`
Or, `x=13//2`
Thus,`y=3` and `x=13//2 or 6.5`