Respuesta :

Answer:

-12x-15-8x=85 (first combine like terms)

-20x-15=85 (now add 15 to 85, to get x by itself)

-20x=100 (now divide 100 by negative 20)

x=-5

Step-by-step explanation:

It is 85 because 12 minus 15 minus 8 times equals 85
Q&A Education