ka tolong bantuannya ya yang nomor 4&5

4.) 1. 5x+3=2x => 5x-2x = -3
                                3x  =  -3
                                  x  =  [tex] \frac{-3}{3} [/tex]   => x = -1
      2. -(5x+3) = 2x => -5x-3 = 2x
                                   -5x-2x = 3
                                       -7x = 3
                                          x = [tex] \frac{-3}{7} [/tex]
Hp = { [tex] \frac{-3}{7} [/tex] , -1 }

tidak memakai hp {x| , x ∈ r } karena tidak memakai ≥≤ <>

5.) -5 |x-7| +2 = -13  => yang di depan di kali kedalam
      -5x +35 +2 = -13
                   -5x = -13-37
                      x = [tex] \frac{-50}{-5} [/tex]
                      x = 10

Maaf jika salah, semoga membantu