Respuesta :

Answer:

−7x+4=−128+4x

Subtract 4x from both sides.

−7x+4−4x=−128

Combine −7x and −4x to get −11x.

−11x+4=−128

Subtract 4 from both sides.

−11x=−128−4

Subtract 4 from −128 to get −132.

−11x=−132

Divide both sides by −11.

x=

−11

−132

Divide −132 by −11 to get 12.

x=12

Step-by-step explanation:

Answer:

Step-by-step explanation:

Rearrange terms -7x+4=4x-128 subtract 4 from both sides. Simplify . subtract 4x from both sides. simplify. divide both sides by the same factor. simplify. Solution x=12