Question

resolvam essa expressões numérica {[(8x4+3):7+(3+15:5)x3]x2-(19)}

Answer 1

{[(32+3):7+(3+3)x3]x2-19}=

{[35:7+6x3]x2-19}=

{[5+18]x2-19}=

{23x2-19}=

{46-19}=

27

Answer 2

{[(32+3)/7+(3+3)x3]x2-19} = 
{[35/7 + 6x3]x2-19} = 
{[5+18]x2-19}= 
{23x2-19} = 46 - 19 = 27