Respuesta :

open the bracket by multiplying with 5.And then solve.

Step-by-step explanation:

5 (-2x -3) -4x -5 = 78

-10x -15 -4x -5 = 78

-14x -20 = 78

-20 -78 = 14x

-98 = 14x

(-98)÷14 = x

x = -7

ANS