Question

What's 17 + X = 3 + 17

Answer 1

`17 + x = 3 + 17 \\ \\ x = 3 \ | cancel \ 17 \ on \ both \ sides \\ \\ Answer: \fbox {x = 3}`

Answer 2

17 + X = 3 + 17
subtract 17 from both sides

X = 3