We have,
4x - 5x + 2x = 28 + 3x
Now, transposing the term 3x to LHS we get,
4x - 5x + 2x - 3x = 28
⇒ - 2x = 28
Now, transposing - 2 to RHS we get,
x = 28−2
⇒ x = - 14
∴ The value of x = - 14.