Respuesta :
Answer:
one
Step-by-step explanation:
-6x -6×7 = -4x-2 :
-6x -42 = -4x -2 : (+4x)
-2x -42 = -2 : (+42)
-2x = 40 (/-2)
x = -20
Answer:
one
Step-by-step explanation:
-6x -6×7 = -4x-2 :
-6x -42 = -4x -2 : (+4x)
-2x -42 = -2 : (+42)
-2x = 40 (/-2)
x = -20