Question

{[(8 x 4+3) / 7 + (3+15/5) x 3] x 2 -(19- 7) /6} x 2+12=

Answer 1

{[(8 x 4+3) / 7 + (3+15/5) x 3] x 2 -(19- 7) /6} x 2+12=

{[35/7+6.3].2-12/6}.2+12=
{[5+18].2-12/6}.2+12=
{23.2-12/6}.2+12=
{46-2}.2+12=
44.2+12=
88+12=
=100