Respuesta :

7(2+5v)=3v+14
14+35v=3v+14
-3v -3v
14+32v=14
-14 -14
32v=0
÷32 ÷32
v=0

hope this helps!!
7(2+5v)=3v+14

14 + 35v = 3v + 14

14 (-14) + 35v = 3v + 14 (-14)

35v = 3v

unsolvable

hope this helps