Respuesta :

Answer:

x = -15

Step-by-step explanation:

3x–7x=60

Combine like terms

-4x = 60

Divide by -4

-4x/-4 = 60/-4

x = -15

Answer:  x=-15

Step-by-step explanation:

3x -7x =60  

-4x = 60

x= -15