Step-by-step explanation:
<u>Substitute x = 12 and y = 4 into the equations:</u>
<u>1.</u>

Incorrect.
<u>2</u><u>.</u>

Incorrect.
<u>3</u><u>.</u>

Incorrect.
<u>4.</u>

Incorrect.
All equations are incorrect when x and y are substituted.
Either acute or right i’m sorry if it’s not that helpful i wish you the best tho stay safe
Answer:
let number=x
According to given condition
6-x=x-2(5)
6-x=x-10
6+10=x+x
16=2x
16/2=x
8=x