Question

Solve the given equation:
B - 4[B - 3(1 - B)] = 72

Answer 1

Open the innermost bracket by multiplying (1-B) with -3

Answer 2

B - 4[B - 3 + B] = 72

Answer 3

Correct.. similarly second bracket also..

Answer 4

B - 4B + 12 - 4B = 72

Answer 5

YEs... now combine the like terms and u get it...

Answer 6

wait....

Answer 7

B - 4[B - 3 + 3B] = 72

this is the first step ...u forgot to multiply -3 with B also..

Hope u understood the mistake

Answer 8

will the answer be B = 64/-15 ?

Answer 9

nope.. can u check it again?

Answer 10

-4?

Answer 11

Good... u did it.. :)

Answer 12

thank you