Question

If 2 is subtracted from a number and this difference is tripled, the result is 8 more than the number.?

Answer 1

$x-\ number\\\\ 3(x-2)=x+8\ \ \ | omit\ the\ bracket\\\\ 3x-6=x+8\ \ \ | subtract\ x\\\\ 2x-6=8\ \ \ \ | add\ 6\\\\ 2x=14\ \ \ | divide\ by\ 2\\\\ x=7\\\\ Number\ is\ 7.$