Respuesta :

Banabanana
 7-3k+10k+2+6k = (7+2) + (10k+6k-3k) = 9 + 13k
7-3k+10k+2+6k=0
we have to move the unkown number to one side of the equation we get:
-3k+10k+6k=-2-7
13k=-9
we multiply both side of the equation by 1/13 weget
k=-9/13