Respuesta :

Answer:

-x+20=31

Step 1: Subtract 20 from both sides.

−x+20−20=31−20

−x=11

Step 2: Divide both sides by -1.

−x

−1

=

11

−1

x=−11

Answer:

x=−11

YoonseoKim1212
Subtract 20 on both sides to get -x=11
Then divide by a negative to get

x=-11

Otras preguntas