Question

Solve S=2ab+2bc+2ac for b

Answer 1

D is correct

S - 2ac

2a + 2c

Step-by-step explanation: I just did it

Answer 2

S = 2(ab + bc + ac)
(S/2) = ab + bc + ac
(S/2) - ac = ab + bc
(S/2) - ac = b(a+c)

[(S/2) - ac] / (a+c) = b


b = [(S/2) - ac] / (a+c)