(b+3)/7=(b-3)/6 What number = B?
(b+3)/7=(b-3)/66(b+3) = 7 (b-3)....> cross multiply6b + 18 = 7b -21 ...>distributive property6b - 7b = -21 -18 ...>subtract 7b to both sides then simplify-b = -39 ...> multiply -1 to both sides b = 39
