Question

Ayuda con ecuaciones aritméticas
[(12-3)-(-5+2)/(3)]-2[(4)+(7-1)(6-2)+8(12)] / [(-2)(7)]

Answer 1

[ 9 - -3/3] -2 [4+6 (4+8) (12/-1) (7)]
[ 9-(-1)] -2 [4+24+8 (-12) (7) ]
[9+1] -2[ 4+24 -672]
10-2 [-644]
10 + 1288
R//. 1298

Listo espero haberte ayudado ;)