Question

Find the angle `x`:- `x=4/5(180°-x)+36` ?

Answer 1

`x=100`

Explanation:

`x=4/5(180-x)+36`

Times both sides by 5
`5x=4(180-x)+180`

Expand the brackets
`5x=720-4x+180`

Move `-4x` to the LHS and simplify
`9x=900`

Divide both sides by 9
`x=100`