Respuesta :

darealmarinda123

Answer:

No solution

Step-by-step explanation:

(7)(3)+(7)(−x)=(−7)(x)+(−7)(3)+-4

21+−7x=−7x+−21+−4

−7x+21=(−7x)+(−21+−4)

−7x+21=−7x+−25

−7x+21=−7x−25

−7x+21+7x=−7x−25+7x

21=−25

21−21=−25−21

0=−46