#8 = 8v - 4(v+8) color(white)(xxxxx)larr "remove the bracket"#
#8 = 8v - 4v-32color(white)(xxxxx)larr "collect like terms"#
#8 = 4v -32 color(white)(xxxxxxxxx)larr "isolate the variable"#
#8+32= 4vcolor(white)(xxxxxxxxxx)larr "solve for v"#
#40 = 4v#
#v = 10#