Question

How do you solve `X+3=2X-5`?

Answer 1

`X=8`

Explanation:

Given
`color(white)("XXX")X+3=2X-5`

Subtract `X` from both sides:
`color(white)("XXX")3=X-5`

Add `5` to both sides
`color(white)("XXX")8=X`

(Exchange the sides to get a more regular looking equation)
`color(white)("XXX")X=8`