Răspuns:
(96:3:8+b×16)-3000:10=500
(32:8+b×16)-300=500
(4+16b)-300=500
4+16b-300=500
-296+16b=500
16b=500+296
16b=796|:16
b=796/16
b=199/4
Sper ca te-am ajutat!