Respuesta :

you first need to distribute the -3
AnimeBrainly
-10y + 18 = -3(5y-7) + 5y

-10y + 18 = -15y + 21 + 5y

-10y + 18 = -10y + 21

-10y (+10y) = 21 (-18)

0 = 4

CANNOT BE SOLVED

hope this helps