Question

Help please thank you

Answer 1

`x=-11`

Explanation:

We know that GE =
`x+21` =
`2x+23+9`

Calculate accordingly!

`x+21=2x+23+9` ( minus
`2x` and minus 21 )

`x-2x=-21+23+9`

`-x=11`

Therefore,

`x=-11`

( You can test this out by substituting the values )

Hope this helps!