Question

Find the values of the variables

Answer 1

`x = 7`

`y =16`

Explanation:

Given

The attached image

Required

Find x and y

From the sign on each line, we have:

`y - 4 = x + 5`

`2x + 5 = x + 12`

Collect like terms

`2x-x=12 - 5`

`x = 7`

We have:
`y - 4 = x + 5`

Substitute
`x = 7`

`y - 4 = 7+5`

`y - 4 = 12`

So:

`y = 12+4`

`y =16`